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124467420 = 223571129929
BaseRepresentation
bin1110110101100…
…11100011011100
322200012121012110
413122303203130
5223330424140
620203434020
73040645530
oct732634334
9280177173
10124467420
1164293240
1235825910
131ca2c47c
141275dbc0
15add9380
hex76b38dc

124467420 has 192 divisors, whose sum is σ = 449971200. Its totient is φ = 24944640.

The previous prime is 124467419. The next prime is 124467463. The reversal of 124467420 is 24764421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133516 + ... + 134444.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2124467420 is an apocalyptic number.

124467420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124467420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224985600).

124467420 is an abundant number, since it is smaller than the sum of its proper divisors (325503780).

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

124467420 is a wasteful number, since it uses less digits than its factorization.

124467420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 124467420 is about 11156.4967619769. The cubic root of 124467420 is about 499.2888824364.

The spelling of 124467420 in words is "one hundred twenty-four million, four hundred sixty-seven thousand, four hundred twenty".