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57466340 = 2253498233
BaseRepresentation
bin1101101100110…
…1110111100100
311000010120222222
43123031313210
5104202410330
65411411512
71265312231
oct333156744
9130116888
1057466340
112a490348
12172b3b98
13bba0969
1478bc788
1550a20e5
hex36cdde4

57466340 has 24 divisors (see below), whose sum is σ = 121039800. Its totient is φ = 22917888.

The previous prime is 57466333. The next prime is 57466349. The reversal of 57466340 is 4366475.

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 53114944 = 2086^2 + 7288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57466340.

It is not an unprimeable number, because it can be changed into a prime (57466349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (5043325).

Almost surely, 257466340 is an apocalyptic number.

It is an amenable number.

57466340 is an abundant number, since it is smaller than the sum of its proper divisors (63573460).

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

57466340 is a wasteful number, since it uses less digits than its factorization.

57466340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591 (or 8589 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 57466340 is about 7580.6556444677. The cubic root of 57466340 is about 385.8968018572.

The spelling of 57466340 in words is "fifty-seven million, four hundred sixty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 8233 16466 32932 41165 82330 164660 2873317 5746634 11493268 14366585 28733170 57466340