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132421144 = 2341487829
BaseRepresentation
bin1111110010010…
…01011000011000
3100020011200122211
413321021120120
5232344434034
621050124504
73165363322
oct771113030
9306150584
10132421144
1168825a69
1238420734
132158580b
1413830612
15b95ad64
hex7e49618

132421144 has 32 divisors (see below), whose sum is σ = 255175200. Its totient is φ = 64385280.

The previous prime is 132421141. The next prime is 132421151. The reversal of 132421144 is 441124231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132421141) 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 7 ways as a sum of consecutive naturals, for example, 159322 + ... + 160150.

It is an arithmetic number, because the mean of its divisors is an integer number (7974225).

Almost surely, 2132421144 is an apocalyptic number.

It is an amenable number.

132421144 is a deficient number, since it is larger than the sum of its proper divisors (122754056).

132421144 is a wasteful number, since it uses less digits than its factorization.

132421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1359 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 132421144 is about 11507.4386376813. The cubic root of 132421144 is about 509.7052558095.

Adding to 132421144 its reverse (441124231), we get a palindrome (573545375).

The spelling of 132421144 in words is "one hundred thirty-two million, four hundred twenty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 41 82 164 328 487 829 974 1658 1948 3316 3896 6632 19967 33989 39934 67978 79868 135956 159736 271912 403723 807446 1614892 3229784 16552643 33105286 66210572 132421144