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189212796 = 22325255911
BaseRepresentation
bin10110100011100…
…10100001111100
3111012001000011100
423101302201330
5341414302141
630435253100
74455165543
oct1321624174
9435030140
10189212796
1197895413
125344a190
133027b346
141b1b515a
15119280b6
hexb47287c

189212796 has 18 divisors (see below), whose sum is σ = 478287992. Its totient is φ = 63070920.

The previous prime is 189212767. The next prime is 189212797. The reversal of 189212796 is 697212981.

189212796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189212797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2627920 + ... + 2627991.

Almost surely, 2189212796 is an apocalyptic number.

It is an amenable number.

189212796 is an abundant number, since it is smaller than the sum of its proper divisors (289075196).

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

189212796 is a wasteful number, since it uses less digits than its factorization.

189212796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255921 (or 5255916 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 189212796 is about 13755.4642233550. The cubic root of 189212796 is about 574.0946518834.

The spelling of 189212796 in words is "one hundred eighty-nine million, two hundred twelve thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 5255911 10511822 15767733 21023644 31535466 47303199 63070932 94606398 189212796