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57940448 = 2553127269
BaseRepresentation
bin1101110100000…
…1100111100000
311001000200100112
43131001213200
5104313043243
65425510452
71302325406
oct335014740
9131020315
1057940448
112a784575
12174a2428
13c0086b7
1479a3476
155147818
hex37419e0

57940448 has 48 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 28094976.

The previous prime is 57940429. The next prime is 57940459. The reversal of 57940448 is 84404975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215258 + ... + 215526.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 257940448 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 57940448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58786560).

57940448 is an abundant number, since it is smaller than the sum of its proper divisors (59632672).

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

57940448 is a wasteful number, since it uses less digits than its factorization.

57940448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 57940448 is about 7611.8623214034. The cubic root of 57940448 is about 386.9551368293.

The spelling of 57940448 in words is "fifty-seven million, nine hundred forty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 53 106 127 212 254 269 424 508 538 848 1016 1076 1696 2032 2152 4064 4304 6731 8608 13462 14257 26924 28514 34163 53848 57028 68326 107696 114056 136652 215392 228112 273304 456224 546608 1093216 1810639 3621278 7242556 14485112 28970224 57940448