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132142490 = 2513214249
BaseRepresentation
bin1111110000001…
…01010110011010
3100012122112102022
413320011112122
5232312024430
621040134442
73163123034
oct770052632
9305575368
10132142490
1168655677
1238307422
13214b8a2c
141379ac54
15b9034e5
hex7e0559a

132142490 has 8 divisors (see below), whose sum is σ = 237856500. Its totient is φ = 52856992.

The previous prime is 132142487. The next prime is 132142499. The reversal of 132142490 is 94241231.

It can be written as a sum of positive squares in 2 ways, for example, as 119617969 + 12524521 = 10937^2 + 3539^2 .

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 (132142499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6607115 + ... + 6607134.

Almost surely, 2132142490 is an apocalyptic number.

132142490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132142490 is a deficient number, since it is larger than the sum of its proper divisors (105714010).

132142490 is a wasteful number, since it uses less digits than its factorization.

132142490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214256.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 132142490 is about 11495.3247018081. The cubic root of 132142490 is about 509.3474802401.

The spelling of 132142490 in words is "one hundred thirty-two million, one hundred forty-two thousand, four hundred ninety".

Divisors: 1 2 5 10 13214249 26428498 66071245 132142490