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1057038378 = 231161262553
BaseRepresentation
bin111111000000010…
…010000000101010
32201200000010001120
4333000102000222
54131100212003
6252520000110
735123451354
oct7700220052
92650003046
101057038378
114a2741640
12256000036
1313acbb0c6
14a05580d4
1562beb853
hex3f01202a

1057038378 has 32 divisors (see below), whose sum is σ = 2344082112. Its totient is φ = 315062400.

The previous prime is 1057038377. The next prime is 1057038383. The reversal of 1057038378 is 8738307501.

It is a super-2 number, since 2×10570383782 = 2234660265129741768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057038377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127251 + ... + 135302.

It is an arithmetic number, because the mean of its divisors is an integer number (73252566).

Almost surely, 21057038378 is an apocalyptic number.

1057038378 is an abundant number, since it is smaller than the sum of its proper divisors (1287043734).

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

1057038378 is a wasteful number, since it uses less digits than its factorization.

1057038378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262630.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1057038378 is about 32512.1266299207. The cubic root of 1057038378 is about 1018.6623430268.

The spelling of 1057038378 in words is "one billion, fifty-seven million, thirty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 262553 525106 787659 1575318 2888083 5776166 8664249 16015733 17328498 32031466 48047199 96094398 176173063 352346126 528519189 1057038378