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189214750 = 2535411399
BaseRepresentation
bin10110100011100…
…11000000011110
3111012001002211201
423101303000132
5341414333000
630435310114
74455204334
oct1321630036
9435032751
10189214750
119789692a
125344b33a
133027c1ba
141b1b5b54
151192896a
hexb47301e

189214750 has 32 divisors (see below), whose sum is σ = 355118400. Its totient is φ = 75492000.

The previous prime is 189214747. The next prime is 189214769. The reversal of 189214750 is 57412981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134551 + ... + 135949.

It is an arithmetic number, because the mean of its divisors is an integer number (11097450).

Almost surely, 2189214750 is an apocalyptic number.

189214750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189214750 is a deficient number, since it is larger than the sum of its proper divisors (165903650).

189214750 is a wasteful number, since it uses less digits than its factorization.

189214750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 189214750 is about 13755.5352494914. The cubic root of 189214750 is about 574.0966281012.

The spelling of 189214750 in words is "one hundred eighty-nine million, two hundred fourteen thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 541 1082 1399 2705 2798 5410 6995 13525 13990 27050 34975 67625 69950 135250 174875 349750 756859 1513718 3784295 7568590 18921475 37842950 94607375 189214750