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57814398 = 2341672137
BaseRepresentation
bin1101110010001…
…0110101111110
311000210021110000
43130202311332
5104300030043
65423055130
71301262045
oct334426576
9130707400
1057814398
112a6a88a4
12174414a6
13bc93205
14796d55c
1551202d3
hex3722d7e

57814398 has 40 divisors (see below), whose sum is σ = 130383792. Its totient is φ = 19147104.

The previous prime is 57814391. The next prime is 57814417. The reversal of 57814398 is 89341875.

It is a super-2 number, since 2×578143982 = 6685009232204808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57814391) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25986 + ... + 28122.

Almost surely, 257814398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57814398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65191896).

57814398 is an abundant number, since it is smaller than the sum of its proper divisors (72569394).

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

57814398 is a wasteful number, since it uses less digits than its factorization.

57814398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2309 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 57814398 is about 7603.5779735596. The cubic root of 57814398 is about 386.6743248913.

The spelling of 57814398 in words is "fifty-seven million, eight hundred fourteen thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 167 334 501 1002 1503 2137 3006 4274 4509 6411 9018 12822 13527 19233 27054 38466 57699 115398 173097 346194 356879 713758 1070637 2141274 3211911 6423822 9635733 19271466 28907199 57814398