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132124978 = 2260925321
BaseRepresentation
bin1111110000000…
…01000100110010
3100012121122101201
413320001010302
5232310444403
621035521414
73163021006
oct770010462
9305548351
10132124978
11686434a7
12382b926a
13214b0a7b
1413794706
15b8ed21d
hex7e01132

132124978 has 8 divisors (see below), whose sum is σ = 198271260. Its totient is φ = 66034560.

The previous prime is 132124973. The next prime is 132124987. The reversal of 132124978 is 879421231.

It can be written as a sum of positive squares in 2 ways, for example, as 128981449 + 3143529 = 11357^2 + 1773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (132124973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7443 + ... + 17878.

Almost surely, 2132124978 is an apocalyptic number.

132124978 is a deficient number, since it is larger than the sum of its proper divisors (66146282).

132124978 is a wasteful number, since it uses less digits than its factorization.

132124978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27932.

The product of its digits is 24192, while the sum is 37.

The square root of 132124978 is about 11494.5629755985. The cubic root of 132124978 is about 509.3249790569.

The spelling of 132124978 in words is "one hundred thirty-two million, one hundred twenty-four thousand, nine hundred seventy-eight".

Divisors: 1 2 2609 5218 25321 50642 66062489 132124978