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132799420 = 22513510767
BaseRepresentation
bin1111110101001…
…01101110111100
3100020212220120001
413322211232330
5232444040140
621102204044
73201530215
oct772455674
9306786501
10132799420
1168a64196
1238583624
1321688a50
14138cc40c
15b9d2e9a
hex7ea5bbc

132799420 has 24 divisors (see below), whose sum is σ = 300331584. Its totient is φ = 49033536.

The previous prime is 132799411. The next prime is 132799421. The reversal of 132799420 is 24997231.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 132799420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132799421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255124 + ... + 255643.

It is an arithmetic number, because the mean of its divisors is an integer number (12513816).

Almost surely, 2132799420 is an apocalyptic number.

132799420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132799420 is an abundant number, since it is smaller than the sum of its proper divisors (167532164).

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

132799420 is a wasteful number, since it uses less digits than its factorization.

132799420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510789 (or 510787 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 132799420 is about 11523.8630675655. The cubic root of 132799420 is about 510.1901379980.

The spelling of 132799420 in words is "one hundred thirty-two million, seven hundred ninety-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 510767 1021534 2043068 2553835 5107670 6639971 10215340 13279942 26559884 33199855 66399710 132799420