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620365134 = 23116388903
BaseRepresentation
bin100100111110100…
…000010101001110
31121020022210222110
4210332200111032
52232303141014
6141320324450
721242005464
oct4476402516
91536283873
10620365134
112991a8564
12153913726
139b6a927c
145c568834
15396e1d59
hex24fa054e

620365134 has 16 divisors (see below), whose sum is σ = 1241811072. Its totient is φ = 206608248.

The previous prime is 620365121. The next prime is 620365153. The reversal of 620365134 is 431563026.

It is a congruent number.

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, 37474 + ... + 51429.

It is an arithmetic number, because the mean of its divisors is an integer number (77613192).

Almost surely, 2620365134 is an apocalyptic number.

620365134 is an abundant number, since it is smaller than the sum of its proper divisors (621445938).

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

620365134 is a wasteful number, since it uses less digits than its factorization.

620365134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90071.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 620365134 is about 24907.1301839453. The cubic root of 620365134 is about 852.8692581960.

The spelling of 620365134 in words is "six hundred twenty million, three hundred sixty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 1163 2326 3489 6978 88903 177806 266709 533418 103394189 206788378 310182567 620365134