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189414902 = 294707451
BaseRepresentation
bin10110100101000…
…11110111110110
3111012102021101202
423102203313312
5341442234102
630443452502
74460000015
oct1322436766
9435367352
10189414902
1197a13246
1253527132
133031c331
141b228a7c
1511967e02
hexb4a3df6

189414902 has 4 divisors (see below), whose sum is σ = 284122356. Its totient is φ = 94707450.

The previous prime is 189414893. The next prime is 189414917. The reversal of 189414902 is 209414981.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47353724 + ... + 47353727.

It is an arithmetic number, because the mean of its divisors is an integer number (71030589).

Almost surely, 2189414902 is an apocalyptic number.

189414902 is a deficient number, since it is larger than the sum of its proper divisors (94707454).

189414902 is an equidigital number, since it uses as much as digits as its factorization.

189414902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94707453.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 189414902 is about 13762.8086523064. The cubic root of 189414902 is about 574.2989838828.

The spelling of 189414902 in words is "one hundred eighty-nine million, four hundred fourteen thousand, nine hundred two".

Divisors: 1 2 94707451 189414902