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124021332 = 223226313099
BaseRepresentation
bin1110110010001…
…10101001010100
322122100221021200
413121012221110
5223222140312
620150112500
73034110141
oct731065124
9278327250
10124021332
1164009076
123564b730
131c904406
14126853c8
15ad4c0dc
hex7646a54

124021332 has 36 divisors (see below), whose sum is σ = 314714400. Its totient is φ = 41180112.

The previous prime is 124021327. The next prime is 124021343. The reversal of 124021332 is 233120421.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2919 + ... + 16017.

Almost surely, 2124021332 is an apocalyptic number.

124021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124021332 is an abundant number, since it is smaller than the sum of its proper divisors (190693068).

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

124021332 is a wasteful number, since it uses less digits than its factorization.

124021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372 (or 13367 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 124021332 is about 11136.4865195447. The cubic root of 124021332 is about 498.6916889637.

Adding to 124021332 its reverse (233120421), we get a palindrome (357141753).

The spelling of 124021332 in words is "one hundred twenty-four million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 263 526 789 1052 1578 2367 3156 4734 9468 13099 26198 39297 52396 78594 117891 157188 235782 471564 3445037 6890074 10335111 13780148 20670222 31005333 41340444 62010666 124021332