Search a number
-
+
139695876 = 22323880441
BaseRepresentation
bin10000101001110…
…01011100000100
3100201212021201100
420110321130010
5241230232001
621510100100
73314252415
oct1024713404
9321767640
10139695876
1171944641
123a94a630
1322c31aa8
14147a580c
15c3e6586
hex8539704

139695876 has 18 divisors (see below), whose sum is σ = 353120222. Its totient is φ = 46565280.

The previous prime is 139695841. The next prime is 139695887. The reversal of 139695876 is 678596931.

It can be written as a sum of positive squares in only one way, i.e., 126562500 + 13133376 = 11250^2 + 3624^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 1940185 + ... + 1940256.

Almost surely, 2139695876 is an apocalyptic number.

It is an amenable number.

139695876 is an abundant number, since it is smaller than the sum of its proper divisors (213424346).

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

139695876 is a wasteful number, since it uses less digits than its factorization.

139695876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880451 (or 3880446 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 139695876 is about 11819.3009945597. The cubic root of 139695876 is about 518.8731466287.

The spelling of 139695876 in words is "one hundred thirty-nine million, six hundred ninety-five thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 3880441 7760882 11641323 15521764 23282646 34923969 46565292 69847938 139695876