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1457460864 = 2734178269
BaseRepresentation
bin101011011011111…
…0001011010000000
310202120110200110000
41112313301122000
510441102221424
6400342240000
751055133016
oct12667613200
93676420400
101457460864
11688775a12
12348126000
131a2c49aa2
14db7cc8b6
1587e453c9
hex56df1680

1457460864 has 160 divisors (see below), whose sum is σ = 4593075300. Its totient is φ = 457187328.

The previous prime is 1457460853. The next prime is 1457460871. The reversal of 1457460864 is 4680647541.

1457460864 is a `hidden beast` number, since 14 + 574 + 6 + 0 + 8 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1239603264 + 217857600 = 35208^2 + 14760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172122 + ... + 180390.

Almost surely, 21457460864 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 1457460864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296537650).

1457460864 is an abundant number, since it is smaller than the sum of its proper divisors (3135614436).

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

1457460864 is an equidigital number, since it uses as much as digits as its factorization.

1457460864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8291 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 1457460864 is about 38176.7057772145. The cubic root of 1457460864 is about 1133.7891604324.

The spelling of 1457460864 in words is "one billion, four hundred fifty-seven million, four hundred sixty thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 128 136 144 153 162 192 204 216 272 288 306 324 384 408 432 459 544 576 612 648 816 864 918 1088 1152 1224 1296 1377 1632 1728 1836 2176 2448 2592 2754 3264 3456 3672 4896 5184 5508 6528 7344 8269 9792 10368 11016 14688 16538 19584 22032 24807 29376 33076 44064 49614 58752 66152 74421 88128 99228 132304 140573 148842 176256 198456 223263 264608 281146 297684 396912 421719 446526 529216 562292 595368 669789 793824 843438 893052 1058432 1124584 1190736 1265157 1339578 1587648 1686876 1786104 2249168 2381472 2530314 2679156 3175296 3373752 3572208 3795471 4498336 4762944 5060628 5358312 6747504 7144416 7590942 8996672 9525888 10121256 10716624 11386413 13495008 14288832 15181884 17993344 20242512 21433248 22772826 26990016 28577664 30363768 40485024 42866496 45545652 53980032 60727536 80970048 85732992 91091304 121455072 161940096 182182608 242910144 364365216 485820288 728730432 1457460864