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2538134272 = 28172325357
BaseRepresentation
bin1001011101001000…
…1101101100000000
320112212221120200001
42113102031230000
520144230244042
61055505005344
7116616533242
oct22722155400
96485846601
102538134272
11109278a933
125aa023854
13315ac19cb
141a113a092
15ecc5ebb7
hex9748db00

2538134272 has 72 divisors (see below), whose sum is σ = 5597829216. Its totient is φ = 1142439936.

The previous prime is 2538134231. The next prime is 2538134281. The reversal of 2538134272 is 2724318352.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87418 + ... + 112774.

It is an arithmetic number, because the mean of its divisors is an integer number (77747628).

Almost surely, 22538134272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538134272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798914608).

2538134272 is an abundant number, since it is smaller than the sum of its proper divisors (3059694944).

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

2538134272 is a wasteful number, since it uses less digits than its factorization.

2538134272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25413 (or 25399 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 2538134272 is about 50379.8994838219. The cubic root of 2538134272 is about 1364.0748375848.

The spelling of 2538134272 in words is "two billion, five hundred thirty-eight million, one hundred thirty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 256 272 368 391 544 736 782 1088 1472 1564 2176 2944 3128 4352 5888 6256 12512 25024 25357 50048 50714 100096 101428 202856 405712 431069 583211 811424 862138 1166422 1622848 1724276 2332844 3245696 3448552 4665688 6491392 6897104 9331376 9914587 13794208 18662752 19829174 27588416 37325504 39658348 55176832 74651008 79316696 110353664 149302016 158633392 317266784 634533568 1269067136 2538134272