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1028049048 = 2332134723369
BaseRepresentation
bin111101010001101…
…100100010011000
32122122110022011200
4331101230202120
54101140032143
6250002354200
734322162355
oct7521544230
92578408150
101028049048
11488341514
1224835b960
13134cab160
149a76d62c
15603c21d3
hex3d46c898

1028049048 has 96 divisors (see below), whose sum is σ = 3062404800. Its totient is φ = 309579264.

The previous prime is 1028049037. The next prime is 1028049067. The reversal of 1028049048 is 8409408201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32308 + ... + 55676.

It is an arithmetic number, because the mean of its divisors is an integer number (31900050).

Almost surely, 21028049048 is an apocalyptic number.

1028049048 is a gapful number since it is divisible by the number (18) 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 1028049048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531202400).

1028049048 is an abundant number, since it is smaller than the sum of its proper divisors (2034355752).

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

1028049048 is a wasteful number, since it uses less digits than its factorization.

1028049048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441 (or 23434 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1028049048 is about 32063.2039571843. The cubic root of 1028049048 is about 1009.2636033365.

The spelling of 1028049048 in words is "one billion, twenty-eight million, forty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 47 52 72 78 94 104 117 141 156 188 234 282 312 376 423 468 564 611 846 936 1128 1222 1692 1833 2444 3384 3666 4888 5499 7332 10998 14664 21996 23369 43992 46738 70107 93476 140214 186952 210321 280428 303797 420642 560856 607594 841284 911391 1098343 1215188 1682568 1822782 2196686 2430376 2734173 3295029 3645564 4393372 5468346 6590058 7291128 8786744 9885087 10936692 13180116 14278459 19770174 21873384 26360232 28556918 39540348 42835377 57113836 79080696 85670754 114227672 128506131 171341508 257012262 342683016 514024524 1028049048