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189452361 = 379021541
BaseRepresentation
bin10110100101011…
…01000001001001
3111012111011210010
423102231001021
5341444433421
630444342133
74460214150
oct1322550111
9435434703
10189452361
1197a393aa
1253544949
13303333b7
141b238597
1511974076
hexb4ad049

189452361 has 8 divisors (see below), whose sum is σ = 288689344. Its totient is φ = 108258480.

The previous prime is 189452323. The next prime is 189452399. The reversal of 189452361 is 163254981.

It is an interprime number because it is at equal distance from previous prime (189452323) and next prime (189452399).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189452361 - 214 = 189435977 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189453361) 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, 4510750 + ... + 4510791.

It is an arithmetic number, because the mean of its divisors is an integer number (36086168).

Almost surely, 2189452361 is an apocalyptic number.

It is an amenable number.

189452361 is a deficient number, since it is larger than the sum of its proper divisors (99236983).

189452361 is an equidigital number, since it uses as much as digits as its factorization.

189452361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021551.

The product of its digits is 51840, while the sum is 39.

The square root of 189452361 is about 13764.1694627754. The cubic root of 189452361 is about 574.3368394888.

The spelling of 189452361 in words is "one hundred eighty-nine million, four hundred fifty-two thousand, three hundred sixty-one".

Divisors: 1 3 7 21 9021541 27064623 63150787 189452361