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189652954 = 294826477
BaseRepresentation
bin10110100110111…
…01111111011010
3111012212100221111
423103131333122
5342022343304
630452530534
74462011031
oct1323357732
9435770844
10189652954
1198066087
1253620a4a
13303a37aa
141b28b718
15119b3704
hexb4ddfda

189652954 has 4 divisors (see below), whose sum is σ = 284479434. Its totient is φ = 94826476.

The previous prime is 189652937. The next prime is 189652961. The reversal of 189652954 is 459256981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459256981 = 2292005489.

It can be written as a sum of positive squares in only one way, i.e., 189200025 + 452929 = 13755^2 + 673^2 .

It is a super-2 number, since 2×1896529542 = 71936485921852232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 189652898 and 189652907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47413237 + ... + 47413240.

Almost surely, 2189652954 is an apocalyptic number.

189652954 is a deficient number, since it is larger than the sum of its proper divisors (94826480).

189652954 is an equidigital number, since it uses as much as digits as its factorization.

189652954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94826479.

The product of its digits is 777600, while the sum is 49.

The square root of 189652954 is about 13771.4543168106. The cubic root of 189652954 is about 574.5394714540.

The spelling of 189652954 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, nine hundred fifty-four".

Divisors: 1 2 94826477 189652954