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147392144 = 249212009
BaseRepresentation
bin10001100100100…
…00011010010000
3101021100022000022
420302100122100
5300213022034
622343043012
73436545464
oct1062203220
9337308008
10147392144
1176220999
1241440468
13246c7bb3
141580a4a4
15ce16b2e
hex8c90690

147392144 has 10 divisors (see below), whose sum is σ = 285572310. Its totient is φ = 73696064.

The previous prime is 147392129. The next prime is 147392153. The reversal of 147392144 is 441293741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147379600 + 12544 = 12140^2 + 112^2 .

It is a super-2 number, since 2×1473921442 = 43448888225833472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4605989 + ... + 4606020.

It is an arithmetic number, because the mean of its divisors is an integer number (28557231).

Almost surely, 2147392144 is an apocalyptic number.

It is an amenable number.

147392144 is a deficient number, since it is larger than the sum of its proper divisors (138180166).

147392144 is an equidigital number, since it uses as much as digits as its factorization.

147392144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212017 (or 9212011 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 147392144 is about 12140.5166282164. The cubic root of 147392144 is about 528.2320872864.

The spelling of 147392144 in words is "one hundred forty-seven million, three hundred ninety-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 9212009 18424018 36848036 73696072 147392144