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189553604 = 22172787553
BaseRepresentation
bin10110100110001…
…01101111000100
3111012200022122212
423103011233010
5342011203404
630450442552
74461115262
oct1323055704
9435608585
10189553604
1197aa8479
1253593458
133036a4c6
141b263432
151199406e
hexb4c5bc4

189553604 has 12 divisors (see below), whose sum is σ = 351231804. Its totient is φ = 89201664.

The previous prime is 189553601. The next prime is 189553631. The reversal of 189553604 is 406355981.

189553604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 174187204 + 15366400 = 13198^2 + 3920^2 .

It is not an unprimeable number, because it can be changed into a prime (189553601) 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, 1393709 + ... + 1393844.

It is an arithmetic number, because the mean of its divisors is an integer number (29269317).

Almost surely, 2189553604 is an apocalyptic number.

It is an amenable number.

189553604 is a deficient number, since it is larger than the sum of its proper divisors (161678200).

189553604 is a wasteful number, since it uses less digits than its factorization.

189553604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787574 (or 2787572 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 189553604 is about 13767.8467452249. The cubic root of 189553604 is about 574.4391294601.

The spelling of 189553604 in words is "one hundred eighty-nine million, five hundred fifty-three thousand, six hundred four".

Divisors: 1 2 4 17 34 68 2787553 5575106 11150212 47388401 94776802 189553604