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139362807 = 346454269
BaseRepresentation
bin10000100111010…
…00000111110111
3100201020100211110
420103220013313
5241134102212
621455010103
73311364363
oct1023500767
9321210743
10139362807
1171737381
123a809933
1322b462cc
141471a2a3
15c37ca3c
hex84e81f7

139362807 has 4 divisors (see below), whose sum is σ = 185817080. Its totient is φ = 92908536.

The previous prime is 139362799. The next prime is 139362809. The reversal of 139362807 is 708263931.

139362807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 139362807 - 23 = 139362799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139362809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23227132 + ... + 23227137.

It is an arithmetic number, because the mean of its divisors is an integer number (46454270).

Almost surely, 2139362807 is an apocalyptic number.

139362807 is a deficient number, since it is larger than the sum of its proper divisors (46454273).

139362807 is an equidigital number, since it uses as much as digits as its factorization.

139362807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46454272.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 139362807 is about 11805.2025395586. The cubic root of 139362807 is about 518.4604451326.

The spelling of 139362807 in words is "one hundred thirty-nine million, three hundred sixty-two thousand, eight hundred seven".

Divisors: 1 3 46454269 139362807