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1354096640 = 2135132543
BaseRepresentation
bin101000010110101…
…1110000000000000
310111100222020101102
41100231132000000
510233122043030
6342210553532
745361426421
oct12055360000
93440866342
101354096640
11635396936
123195988a8
131876c8c20
14cbba3648
157dd28c45
hex50b5e000

1354096640 has 112 divisors (see below), whose sum is σ = 3500981568. Its totient is φ = 499777536.

The previous prime is 1354096609. The next prime is 1354096643. The reversal of 1354096640 is 466904531.

It is a junction number, because it is equal to n+sod(n) for n = 1354096594 and 1354096603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354096643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531209 + ... + 533751.

It is an arithmetic number, because the mean of its divisors is an integer number (31258764).

Almost surely, 21354096640 is an apocalyptic number.

1354096640 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 1354096640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750490784).

1354096640 is an abundant number, since it is smaller than the sum of its proper divisors (2146884928).

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

1354096640 is an equidigital number, since it uses as much as digits as its factorization.

1354096640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1354096640 is about 36798.0521223610. The cubic root of 1354096640 is about 1106.3262577795.

The spelling of 1354096640 in words is "one billion, three hundred fifty-four million, ninety-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1664 2048 2080 2543 2560 3328 4096 4160 5086 5120 6656 8192 8320 10172 10240 12715 13312 16640 20344 20480 25430 26624 33059 33280 40688 40960 50860 53248 66118 66560 81376 101720 106496 132236 133120 162752 165295 203440 264472 266240 325504 330590 406880 528944 532480 651008 661180 813760 1057888 1302016 1322360 1627520 2115776 2604032 2644720 3255040 4231552 5208064 5289440 6510080 8463104 10416128 10578880 13020160 16926208 20832256 21157760 26040320 33852416 42315520 52080640 67704832 84631040 104161280 135409664 169262080 270819328 338524160 677048320 1354096640