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189348315 = 35138311699
BaseRepresentation
bin10110100100100…
…11100111011011
3111012021220001120
423102103213123
5341433121230
630442220323
74456301622
oct1322234733
9435256046
10189348315
1197978212
12534b46a3
13302c7c30
141b20c6b9
1511953310
hexb4939db

189348315 has 32 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 92086656.

The previous prime is 189348311. The next prime is 189348347. The reversal of 189348315 is 513843981.

It is not a de Polignac number, because 189348315 - 22 = 189348311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189348311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10336 + ... + 22034.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2189348315 is an apocalyptic number.

189348315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189348315 is a deficient number, since it is larger than the sum of its proper divisors (140872485).

189348315 is a wasteful number, since it uses less digits than its factorization.

189348315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803.

The product of its digits is 103680, while the sum is 42.

The square root of 189348315 is about 13760.3893476893. The cubic root of 189348315 is about 574.2316795543.

The spelling of 189348315 in words is "one hundred eighty-nine million, three hundred forty-eight thousand, three hundred fifteen".

Divisors: 1 3 5 13 15 39 65 83 195 249 415 1079 1245 3237 5395 11699 16185 35097 58495 152087 175485 456261 760435 971017 2281305 2913051 4855085 12623221 14565255 37869663 63116105 189348315