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57930440 = 2354393299
BaseRepresentation
bin1101110011111…
…1001011001000
311001000011121212
43130333023020
5104312233230
65425352252
71302254261
oct334771310
9131004555
1057930440
112a777aa7
1217498688
13c003c89
14799d968
155144895
hex373f2c8

57930440 has 32 divisors (see below), whose sum is σ = 130680000. Its totient is φ = 23112384.

The previous prime is 57930421. The next prime is 57930451. The reversal of 57930440 is 4403975.

It is a junction number, because it is equal to n+sod(n) for n = 57930397 and 57930406.

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, 15911 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (4083750).

Almost surely, 257930440 is an apocalyptic number.

It is an amenable number.

57930440 is an abundant number, since it is smaller than the sum of its proper divisors (72749560).

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

57930440 is a wasteful number, since it uses less digits than its factorization.

57930440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57930440 is about 7611.2048980434. The cubic root of 57930440 is about 386.9328560787.

The spelling of 57930440 in words is "fifty-seven million, nine hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 439 878 1756 2195 3299 3512 4390 6598 8780 13196 16495 17560 26392 32990 65980 131960 1448261 2896522 5793044 7241305 11586088 14482610 28965220 57930440