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132723438 = 2322120573
BaseRepresentation
bin1111110100100…
…11001011101110
3100020202001022220
413322103023232
5232434122223
621100420210
73201062541
oct772231356
9306661286
10132723438
1168a120a1
1238547666
13216602a3
14138ac858
15b9ba6e3
hex7e932ee

132723438 has 8 divisors (see below), whose sum is σ = 265446888. Its totient is φ = 44241144.

The previous prime is 132723427. The next prime is 132723439. The reversal of 132723438 is 834327231.

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

132723438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 132723399 and 132723408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132723439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11060281 + ... + 11060292.

It is an arithmetic number, because the mean of its divisors is an integer number (33180861).

Almost surely, 2132723438 is an apocalyptic number.

132723438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

132723438 is a wasteful number, since it uses less digits than its factorization.

132723438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22120578.

The product of its digits is 24192, while the sum is 33.

The square root of 132723438 is about 11520.5658715186. The cubic root of 132723438 is about 510.0928166325.

The spelling of 132723438 in words is "one hundred thirty-two million, seven hundred twenty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 22120573 44241146 66361719 132723438