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457615642040 = 23513998177549
BaseRepresentation
bin1101010100011000000…
…01001000110110111000
31121202012000120020111222
412222030001020312320
524444144101021130
6550120431211212
745030066530534
oct6521401106670
91552160506458
10457615642040
1116708a110a97
1274832676b08
13341cb0c851b
1418212108bc4
15bd84b64ce5
hex6a8c048db8

457615642040 has 32 divisors (see below), whose sum is σ = 1030371300000. Its totient is φ = 182915393664.

The previous prime is 457615642037. The next prime is 457615642061. The reversal of 457615642040 is 40246516754.

It is a junction number, because it is equal to n+sod(n) for n = 457615641982 and 457615642000.

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, 4032815 + ... + 4144734.

It is an arithmetic number, because the mean of its divisors is an integer number (32199103125).

Almost surely, 2457615642040 is an apocalyptic number.

457615642040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457615642040 is an abundant number, since it is smaller than the sum of its proper divisors (572755657960).

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

457615642040 is a wasteful number, since it uses less digits than its factorization.

457615642040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178959 (or 8178955 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 457615642040 in words is "four hundred fifty-seven billion, six hundred fifteen million, six hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1399 2798 5596 6995 11192 13990 27980 55960 8177549 16355098 32710196 40887745 65420392 81775490 163550980 327101960 11440391051 22880782102 45761564204 57201955255 91523128408 114403910510 228807821020 457615642040