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2057881254 = 23111323104281
BaseRepresentation
bin111101010101000…
…1100011010100110
312022102021012101020
41322222030122212
513203304200004
6540111312010
7101665462542
oct17252143246
95272235336
102057881254
11966690710
1249521b606
1326a461b20
14157444a22
15c09e78d9
hex7aa8c6a6

2057881254 has 64 divisors (see below), whose sum is σ = 5045580288. Its totient is φ = 550598400.

The previous prime is 2057881211. The next prime is 2057881261. The reversal of 2057881254 is 4521887502.

It is a super-2 number, since 2×20578812542 = 8469750511129225032, which contains 22 as substring.

It is a congruent number.

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, 32407 + ... + 71874.

It is an arithmetic number, because the mean of its divisors is an integer number (78837192).

Almost surely, 22057881254 is an apocalyptic number.

2057881254 is an abundant number, since it is smaller than the sum of its proper divisors (2987699034).

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

2057881254 is a wasteful number, since it uses less digits than its factorization.

2057881254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104333.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 2057881254 is about 45363.8760910044. The cubic root of 2057881254 is about 1271.9599501353.

The spelling of 2057881254 in words is "two billion, fifty-seven million, eight hundred eighty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 11 13 22 23 26 33 39 46 66 69 78 138 143 253 286 299 429 506 598 759 858 897 1518 1794 3289 6578 9867 19734 104281 208562 312843 625686 1147091 1355653 2294182 2398463 2711306 3441273 4066959 4796926 6882546 7195389 8133918 14390778 14912183 26383093 29824366 31180019 44736549 52766186 62360038 79149279 89473098 93540057 158298558 187080114 342980209 685960418 1028940627 2057881254