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189214699 = 971950667
BaseRepresentation
bin10110100011100…
…10111111101011
3111012001002202211
423101302333223
5341414332244
630435305551
74455204232
oct1321627753
9435032684
10189214699
1197896893
125344b2b7
133027c17b
141b1b5b19
1511928934
hexb472feb

189214699 has 4 divisors (see below), whose sum is σ = 191165464. Its totient is φ = 187263936.

The previous prime is 189214693. The next prime is 189214733. The reversal of 189214699 is 996412981.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 189214699 - 25 = 189214667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189214693) 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, 975237 + ... + 975430.

It is an arithmetic number, because the mean of its divisors is an integer number (47791366).

Almost surely, 2189214699 is an apocalyptic number.

189214699 is a deficient number, since it is larger than the sum of its proper divisors (1950765).

189214699 is an equidigital number, since it uses as much as digits as its factorization.

189214699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950764.

The product of its digits is 279936, while the sum is 49.

The square root of 189214699 is about 13755.5333956921. The cubic root of 189214699 is about 574.0965765215.

The spelling of 189214699 in words is "one hundred eighty-nine million, two hundred fourteen thousand, six hundred ninety-nine".

Divisors: 1 97 1950667 189214699