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20925414 = 2322940087
BaseRepresentation
bin100111111010…
…0101111100110
31110101010021100
41033310233212
520324103124
62024300530
7342602016
oct117645746
943333240
1020925414
11108a2634
127011746
134448703
142ac9c46
151c851c9
hex13f4be6

20925414 has 24 divisors (see below), whose sum is σ = 46902960. Its totient is φ = 6734448.

The previous prime is 20925389. The next prime is 20925433. The reversal of 20925414 is 41452902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19522 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (1954290).

Almost surely, 220925414 is an apocalyptic number.

20925414 is an abundant number, since it is smaller than the sum of its proper divisors (25977546).

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

20925414 is a wasteful number, since it uses less digits than its factorization.

20925414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40124 (or 40121 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20925414 is about 4574.4304563519. The cubic root of 20925414 is about 275.5653998270.

The spelling of 20925414 in words is "twenty million, nine hundred twenty-five thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 40087 80174 120261 240522 360783 721566 1162523 2325046 3487569 6975138 10462707 20925414