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20057462 = 223474273
BaseRepresentation
bin100110010000…
…0110101110110
31101202000122222
41030200311312
520113314322
61553522342
7332325365
oct114406566
941660588
1020057462
111035a517
1268733b2
134203629
1429417dc
151b62e42
hex1320d76

20057462 has 8 divisors (see below), whose sum is σ = 30106056. Its totient is φ = 10022112.

The previous prime is 20057461. The next prime is 20057497. The reversal of 20057462 is 26475002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (3763257).

Almost surely, 220057462 is an apocalyptic number.

20057462 is a deficient number, since it is larger than the sum of its proper divisors (10048594).

20057462 is a wasteful number, since it uses less digits than its factorization.

20057462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20057462 is about 4478.5557940032. Note that the first 3 decimals coincide. The cubic root of 20057462 is about 271.7014728678.

The spelling of 20057462 in words is "twenty million, fifty-seven thousand, four hundred sixty-two".

Divisors: 1 2 2347 4273 4694 8546 10028731 20057462