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124144340 = 22523269879
BaseRepresentation
bin1110110011001…
…00101011010100
322122121012000112
413121210223110
5223240104330
620152502152
73035131565
oct731445324
9278535015
10124144340
1164092531
12356aa958
131c9483b8
14126b816c
15ad73795
hex7664ad4

124144340 has 24 divisors (see below), whose sum is σ = 272039040. Its totient is φ = 47498528.

The previous prime is 124144337. The next prime is 124144357. The reversal of 124144340 is 43441421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134480 + ... + 135399.

It is an arithmetic number, because the mean of its divisors is an integer number (11334960).

Almost surely, 2124144340 is an apocalyptic number.

124144340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124144340 is an abundant number, since it is smaller than the sum of its proper divisors (147894700).

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

124144340 is a wasteful number, since it uses less digits than its factorization.

124144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269911 (or 269909 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 124144340 is about 11142.0078980406. The cubic root of 124144340 is about 498.8565068404.

Adding to 124144340 its reverse (43441421), we get a palindrome (167585761).

The spelling of 124144340 in words is "one hundred twenty-four million, one hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 269879 539758 1079516 1349395 2698790 5397580 6207217 12414434 24828868 31036085 62072170 124144340