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88189201 = 791116319
BaseRepresentation
bin1010100000110…
…10100100010001
320010221110211201
411100122210101
5140034023301
612430111201
72120411242
oct520324421
9203843751
1088189201
1145864941
122564b501
1315369979
14b9d8cc9
157b20201
hex541a911

88189201 has 4 divisors (see below), whose sum is σ = 89305600. Its totient is φ = 87072804.

The previous prime is 88189187. The next prime is 88189207. The reversal of 88189201 is 10298188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88189201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88189207) 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, 558081 + ... + 558238.

It is an arithmetic number, because the mean of its divisors is an integer number (22326400).

Almost surely, 288189201 is an apocalyptic number.

It is an amenable number.

88189201 is a deficient number, since it is larger than the sum of its proper divisors (1116399).

88189201 is a wasteful number, since it uses less digits than its factorization.

88189201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116398.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 88189201 is about 9390.9105522308. The cubic root of 88189201 is about 445.1145620962.

The spelling of 88189201 in words is "eighty-eight million, one hundred eighty-nine thousand, two hundred one".

Divisors: 1 79 1116319 88189201