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139599430 = 2520876689
BaseRepresentation
bin10000101001000…
…01111001000110
3100201200101102021
420110201321012
5241214140210
621504033354
73313401265
oct1024417106
9321611367
10139599430
1171889133
123a90285a
1322bc9c19
141477c5dc
15c3c7bda
hex8521e46

139599430 has 16 divisors (see below), whose sum is σ = 251436960. Its totient is φ = 55804672.

The previous prime is 139599401. The next prime is 139599451. The reversal of 139599430 is 34995931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17526 + ... + 24214.

It is an arithmetic number, because the mean of its divisors is an integer number (15714810).

Almost surely, 2139599430 is an apocalyptic number.

139599430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139599430 is a deficient number, since it is larger than the sum of its proper divisors (111837530).

139599430 is a wasteful number, since it uses less digits than its factorization.

139599430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 139599430 is about 11815.2202687889. The cubic root of 139599430 is about 518.7537091717.

The spelling of 139599430 in words is "one hundred thirty-nine million, five hundred ninety-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 2087 4174 6689 10435 13378 20870 33445 66890 13959943 27919886 69799715 139599430