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124140330 = 23351074297
BaseRepresentation
bin1110110011000…
…11101100101010
322122120222112000
413121203230222
5223234442310
620152431430
73035114106
oct731435452
9278528460
10124140330
116408a516
12356a8576
131c946622
14126b6906
15ad724c0
hex7663b2a

124140330 has 64 divisors (see below), whose sum is σ = 334212480. Its totient is φ = 32787072.

The previous prime is 124140293. The next prime is 124140343. The reversal of 124140330 is 33041421.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26742 + ... + 31038.

It is an arithmetic number, because the mean of its divisors is an integer number (5222070).

Almost surely, 2124140330 is an apocalyptic number.

124140330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124140330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167106240).

124140330 is an abundant number, since it is smaller than the sum of its proper divisors (210072150).

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

124140330 is a wasteful number, since it uses less digits than its factorization.

124140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420 (or 4414 counting only the distinct ones).

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

The square root of 124140330 is about 11141.8279469753. The cubic root of 124140330 is about 498.8511355762.

Adding to 124140330 its reverse (33041421), we get a palindrome (157181751).

The spelling of 124140330 in words is "one hundred twenty-four million, one hundred forty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 107 135 214 270 321 535 642 963 1070 1605 1926 2889 3210 4297 4815 5778 8594 9630 12891 14445 21485 25782 28890 38673 42970 64455 77346 116019 128910 193365 232038 386730 459779 580095 919558 1160190 1379337 2298895 2758674 4138011 4597790 6896685 8276022 12414033 13793370 20690055 24828066 41380110 62070165 124140330