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139469260 = 2257996209
BaseRepresentation
bin10000101000000…
…10000111001100
3100201102202212011
420110002013030
5241201004020
621501151004
73312316630
oct1024020714
9321382764
10139469260
11717aa357
123a85b464
1322b828b8
1414746dc0
15c39e35a
hex85021cc

139469260 has 24 divisors (see below), whose sum is σ = 334726560. Its totient is φ = 47817984.

The previous prime is 139469251. The next prime is 139469269. The reversal of 139469260 is 62964931.

139469260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139469251) and next prime (139469269).

It is not an unprimeable number, because it can be changed into a prime (139469269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497965 + ... + 498244.

It is an arithmetic number, because the mean of its divisors is an integer number (13946940).

Almost surely, 2139469260 is an apocalyptic number.

139469260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139469260 is an abundant number, since it is smaller than the sum of its proper divisors (195257300).

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

139469260 is a wasteful number, since it uses less digits than its factorization.

139469260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996225 (or 996223 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 139469260 is about 11809.7104113522. The cubic root of 139469260 is about 518.5924210978.

The spelling of 139469260 in words is "one hundred thirty-nine million, four hundred sixty-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 996209 1992418 3984836 4981045 6973463 9962090 13946926 19924180 27893852 34867315 69734630 139469260