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147380961 = 37133671471
BaseRepresentation
bin10001100100011…
…01101011100001
3101021022201200010
420302031223201
5300212142321
622342515133
73436501050
oct1062155341
9337281603
10147380961
1176213552
1241435aa9
13246c2a90
1415806397
15ce13676
hex8c8dae1

147380961 has 32 divisors (see below), whose sum is σ = 242679808. Its totient is φ = 77474880.

The previous prime is 147380957. The next prime is 147380993. The reversal of 147380961 is 169083741.

It is not a de Polignac number, because 147380961 - 22 = 147380957 is a prime.

It is a super-2 number, since 2×1473809612 = 43442295330567042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (147380921) 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 31 ways as a sum of consecutive naturals, for example, 99456 + ... + 100926.

It is an arithmetic number, because the mean of its divisors is an integer number (7583744).

Almost surely, 2147380961 is an apocalyptic number.

It is an amenable number.

147380961 is a deficient number, since it is larger than the sum of its proper divisors (95298847).

147380961 is a wasteful number, since it uses less digits than its factorization.

147380961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 147380961 is about 12140.0560542363. The cubic root of 147380961 is about 528.2187275313.

The spelling of 147380961 in words is "one hundred forty-seven million, three hundred eighty thousand, nine hundred sixty-one".

Divisors: 1 3 7 13 21 39 91 273 367 1101 1471 2569 4413 4771 7707 10297 14313 19123 30891 33397 57369 100191 133861 401583 539857 1619571 3778999 7018141 11336997 21054423 49126987 147380961