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427257124 = 227176713397
BaseRepresentation
bin11001011101110…
…110110100100100
31002202221220120221
4121131312310210
51333334211444
6110221334124
713405424410
oct3135666444
91082856527
10427257124
111aa1a2668
12bb107344
136a695c88
1440a5bd40
1527799a84
hex19776d24

427257124 has 48 divisors (see below), whose sum is σ = 918352512. Its totient is φ = 169754112.

The previous prime is 427257113. The next prime is 427257133. The reversal of 427257124 is 421752724.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 427257124.

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, 25194 + ... + 38590.

It is an arithmetic number, because the mean of its divisors is an integer number (19132344).

Almost surely, 2427257124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427257124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459176256).

427257124 is an abundant number, since it is smaller than the sum of its proper divisors (491095388).

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

427257124 is a wasteful number, since it uses less digits than its factorization.

427257124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492 (or 13490 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 427257124 is about 20670.1989346982. The cubic root of 427257124 is about 753.1759390464.

The spelling of 427257124 in words is "four hundred twenty-seven million, two hundred fifty-seven thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 17 28 34 67 68 119 134 238 268 469 476 938 1139 1876 2278 4556 7973 13397 15946 26794 31892 53588 93779 187558 227749 375116 455498 897599 910996 1594243 1795198 3188486 3590396 6283193 6376972 12566386 15259183 25132772 30518366 61036732 106814281 213628562 427257124