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1029137480 = 2357101151241
BaseRepresentation
bin111101010101110…
…110010001001000
32122201111121012222
4331111312101020
54101424344410
6250041553212
734334344550
oct7525662110
92581447188
101029137480
11488a15248
122487a5808
1313529c6b7
149a974160
1560539955
hex3d576448

1029137480 has 128 divisors (see below), whose sum is σ = 2701416960. Its totient is φ = 345600000.

The previous prime is 1029137419. The next prime is 1029137509. The reversal of 1029137480 is 847319201.

1029137480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1029137480.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4270160 + ... + 4270400.

It is an arithmetic number, because the mean of its divisors is an integer number (21104820).

Almost surely, 21029137480 is an apocalyptic number.

1029137480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1029137480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350708480).

1029137480 is an abundant number, since it is smaller than the sum of its proper divisors (1672279480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1029137480 is a wasteful number, since it uses less digits than its factorization.

1029137480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1029137480 is about 32080.1726928020. The cubic root of 1029137480 is about 1009.6196587710.

The spelling of 1029137480 in words is "one billion, twenty-nine million, one hundred thirty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 140 151 202 241 280 302 404 482 505 604 707 755 808 964 1010 1057 1205 1208 1414 1510 1687 1928 2020 2114 2410 2828 3020 3374 3535 4040 4228 4820 5285 5656 6040 6748 7070 8435 8456 9640 10570 13496 14140 15251 16870 21140 24341 28280 30502 33740 36391 42280 48682 61004 67480 72782 76255 97364 106757 121705 122008 145564 152510 170387 181955 194728 213514 243410 254737 291128 305020 340774 363910 427028 486820 509474 533785 610040 681548 727820 851935 854056 973640 1018948 1067570 1273685 1363096 1455640 1703870 2037896 2135140 2547370 3407740 3675491 4270280 5094740 6815480 7350982 10189480 14701964 18377455 25728437 29403928 36754910 51456874 73509820 102913748 128642185 147019640 205827496 257284370 514568740 1029137480