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2139593204 = 227292634967
BaseRepresentation
bin111111110000111…
…1001100111110100
312112010000121002202
41333201321213310
513340213440304
6552150524032
7104010146030
oct17741714764
95463017082
102139593204
119a8821051
124b8666618
132813714a8
141642351c0
15c7c8881e
hex7f8799f4

2139593204 has 24 divisors (see below), whose sum is σ = 4426746240. Its totient is φ = 885348576.

The previous prime is 2139593201. The next prime is 2139593227. The reversal of 2139593204 is 4023959312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139593201) 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, 1316672 + ... + 1318295.

It is an arithmetic number, because the mean of its divisors is an integer number (184447760).

Almost surely, 22139593204 is an apocalyptic number.

It is an amenable number.

2139593204 is an abundant number, since it is smaller than the sum of its proper divisors (2287153036).

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

2139593204 is a wasteful number, since it uses less digits than its factorization.

2139593204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635007 (or 2635005 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2139593204 is about 46255.7369847244. The cubic root of 2139593204 is about 1288.5770829717.

The spelling of 2139593204 in words is "two billion, one hundred thirty-nine million, five hundred ninety-three thousand, two hundred four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 2634967 5269934 10539868 18444769 36889538 73779076 76414043 152828086 305656172 534898301 1069796602 2139593204