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189833284 = 22834
BaseRepresentation
bin10110101000010…
…10000001000100
3111020012112022101
423110022001010
5342044131114
630500441444
74463361544
oct1324120104
9436175271
10189833284
1198179613
12536a9284
13304378b4
141b2d7324
15119ebd74
hexb50a044

189833284 has 15 divisors (see below), whose sum is σ = 336259567. Its totient is φ = 93773068.

The previous prime is 189833263. The next prime is 189833297. The reversal of 189833284 is 482338981.

The square root of 189833284 is 13778.

It is a perfect power (a square), and thus also a powerful number.

It is an ABA number since it can be written as A⋅BA, here for A=4, B=83.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 2287107 + ... + 2287189.

Almost surely, 2189833284 is an apocalyptic number.

189833284 is the 13778-th square number.

It is an amenable number.

189833284 is a deficient number, since it is larger than the sum of its proper divisors (146426283).

189833284 is an frugal number, since it uses more digits than its factorization.

189833284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 85 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The cubic root of 189833284 is about 574.7215125280.

Multiplying 189833284 by its product of digits (331776), we get a square (62982127632384 = 79361282).

The spelling of 189833284 in words is "one hundred eighty-nine million, eight hundred thirty-three thousand, two hundred eighty-four".

Divisors: 1 2 4 83 166 332 6889 13778 27556 571787 1143574 2287148 47458321 94916642 189833284