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457468144 = 24779149347
BaseRepresentation
bin11011010001000…
…110100011110000
31011212210210022121
4123101012203300
51414102440034
6113221044024
714223262240
oct3321064360
91155723277
10457468144
11215257651
12109256614
1373a13013
1444a83b20
152a2661b4
hex1b4468f0

457468144 has 80 divisors (see below), whose sum is σ = 1035648000. Its totient is φ = 191722752.

The previous prime is 457468117. The next prime is 457468157. The reversal of 457468144 is 441864754.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 457468144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318179 + ... + 1318525.

It is an arithmetic number, because the mean of its divisors is an integer number (12945600).

Almost surely, 2457468144 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 457468144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517824000).

457468144 is an abundant number, since it is smaller than the sum of its proper divisors (578179856).

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

457468144 is a wasteful number, since it uses less digits than its factorization.

457468144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 584 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 457468144 is about 21388.5049500894. The cubic root of 457468144 is about 770.5253872051.

The spelling of 457468144 in words is "four hundred fifty-seven million, four hundred sixty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 79 112 149 158 298 316 347 553 596 632 694 1043 1106 1192 1264 1388 2086 2212 2384 2429 2776 4172 4424 4858 5552 8344 8848 9716 11771 16688 19432 23542 27413 38864 47084 51703 54826 82397 94168 103406 109652 164794 188336 191891 206812 219304 329588 361921 383782 413624 438608 659176 723842 767564 827248 1318352 1447684 1535128 2895368 3070256 4084537 5790736 8169074 16338148 28591759 32676296 57183518 65352592 114367036 228734072 457468144