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185312148 = 22372206097
BaseRepresentation
bin10110000101110…
…10001110010100
3110220200211110220
423002322032110
5334414442043
630215514340
74410061440
oct1302721624
9426624426
10185312148
119567083a
12520889b0
132c513a78
141a87b820
1511407483
hexb0ba394

185312148 has 24 divisors (see below), whose sum is σ = 494165952. Its totient is φ = 52946304.

The previous prime is 185312147. The next prime is 185312161. The reversal of 185312148 is 841213581.

185312148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185312147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1102965 + ... + 1103132.

It is an arithmetic number, because the mean of its divisors is an integer number (20590248).

Almost surely, 2185312148 is an apocalyptic number.

It is an amenable number.

185312148 is an abundant number, since it is smaller than the sum of its proper divisors (308853804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185312148 is a wasteful number, since it uses less digits than its factorization.

185312148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206111 (or 2206109 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 185312148 is about 13612.9404611935. The cubic root of 185312148 is about 570.1222144834.

The spelling of 185312148 in words is "one hundred eighty-five million, three hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2206097 4412194 6618291 8824388 13236582 15442679 26473164 30885358 46328037 61770716 92656074 185312148