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124484140 = 225114313159
BaseRepresentation
bin1110110101101…
…11101000101100
322200020110010201
413122313220230
5223331443030
620204043244
73041045344
oct732675054
9280213121
10124484140
11642a4860
1235833524
131ca36c71
1412765d24
15adde2ca
hex76b7a2c

124484140 has 48 divisors (see below), whose sum is σ = 291836160. Its totient is φ = 44210880.

The previous prime is 124484131. The next prime is 124484161. The reversal of 124484140 is 41484421.

It is a super-2 number, since 2×1244841402 = 30992602223079200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124484099 and 124484108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881 + ... + 16039.

It is an arithmetic number, because the mean of its divisors is an integer number (6079920).

Almost surely, 2124484140 is an apocalyptic number.

124484140 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 124484140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145918080).

124484140 is an abundant number, since it is smaller than the sum of its proper divisors (167352020).

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

124484140 is a wasteful number, since it uses less digits than its factorization.

124484140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222 (or 13220 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 124484140 is about 11157.2460759813. The cubic root of 124484140 is about 499.3112383170.

The spelling of 124484140 in words is "one hundred twenty-four million, four hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1892 2365 4730 9460 13159 26318 52636 65795 131590 144749 263180 289498 565837 578996 723745 1131674 1447490 2263348 2829185 2894980 5658370 6224207 11316740 12448414 24896828 31121035 62242070 124484140