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123948372 = 223371072609
BaseRepresentation
bin1110110001101…
…00110101010100
322122020020012110
413120310311110
5223212321442
620144351020
73033354342
oct730646524
9278206173
10123948372
1163a69279
1235615470
131c8aa142
1412666992
15ad3569c
hex7634d54

123948372 has 48 divisors (see below), whose sum is σ = 299920320. Its totient is φ = 39808512.

The previous prime is 123948367. The next prime is 123948373. The reversal of 123948372 is 273849321.

It is a self number, because there is not a number n which added to its sum of digits gives 123948372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123948373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46204 + ... + 48812.

It is an arithmetic number, because the mean of its divisors is an integer number (6248340).

Almost surely, 2123948372 is an apocalyptic number.

123948372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123948372 is an abundant number, since it is smaller than the sum of its proper divisors (175971948).

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

123948372 is a wasteful number, since it uses less digits than its factorization.

123948372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2758 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 123948372 is about 11133.2103186817. The cubic root of 123948372 is about 498.5938786859.

The spelling of 123948372 in words is "one hundred twenty-three million, nine hundred forty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 107 111 148 214 222 321 428 444 642 1284 2609 3959 5218 7827 7918 10436 11877 15654 15836 23754 31308 47508 96533 193066 279163 289599 386132 558326 579198 837489 1116652 1158396 1674978 3349956 10329031 20658062 30987093 41316124 61974186 123948372