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1390292875 = 53173239269
BaseRepresentation
bin101001011011110…
…0010111110001011
310120220002012021201
41102313202332023
510321403333000
6345542445031
746311202666
oct12267427613
93526065251
101390292875
11653869684
12329733777
1319206030a
14d29066dd
15820c896a
hex52de2f8b

1390292875 has 32 divisors (see below), whose sum is σ = 1758931200. Its totient is φ = 1097084800.

The previous prime is 1390292843. The next prime is 1390292881. The reversal of 1390292875 is 5782920931.

It is not a de Polignac number, because 1390292875 - 25 = 1390292843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5168241 + ... + 5168509.

It is an arithmetic number, because the mean of its divisors is an integer number (54966600).

Almost surely, 21390292875 is an apocalyptic number.

1390292875 is a deficient number, since it is larger than the sum of its proper divisors (368638325).

1390292875 is a wasteful number, since it uses less digits than its factorization.

1390292875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1390292875 is about 37286.6313174038. The cubic root of 1390292875 is about 1116.0974066883.

The spelling of 1390292875 in words is "one billion, three hundred ninety million, two hundred ninety-two thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 173 239 269 865 1195 1345 4325 5975 6725 21625 29875 33625 41347 46537 64291 206735 232685 321455 1033675 1163425 1607275 5168375 5817125 8036375 11122343 55611715 278058575 1390292875