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1457347680 = 25335337349
BaseRepresentation
bin101011011011101…
…0101110001100000
310202120020221012000
41112313111301200
510441040111210
6400340004000
751054152025
oct12667256140
93676227160
101457347680
116886a8978
12348090600
131a2c0a409
14db79d54c
1587e21ac0
hex56dd5c60

1457347680 has 96 divisors (see below), whose sum is σ = 5100732000. Its totient is φ = 388624896.

The previous prime is 1457347679. The next prime is 1457347687. The reversal of 1457347680 is 867437541.

1457347680 is a `hidden beast` number, since 1 + 4 + 573 + 4 + 76 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457347687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164355 + ... + 172994.

It is an arithmetic number, because the mean of its divisors is an integer number (53132625).

Almost surely, 21457347680 is an apocalyptic number.

1457347680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457347680 is an abundant number, since it is smaller than the sum of its proper divisors (3643384320).

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

1457347680 is a wasteful number, since it uses less digits than its factorization.

1457347680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337373 (or 337359 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 1457347680 is about 38175.2233785213. The cubic root of 1457347680 is about 1133.7598102757.

The spelling of 1457347680 in words is "one billion, four hundred fifty-seven million, three hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 337349 674698 1012047 1349396 1686745 2024094 2698792 3036141 3373490 4048188 5060235 5397584 6072282 6746980 8096376 9108423 10120470 10795168 12144564 13493960 15180705 16192752 18216846 20240940 24289128 26987920 30361410 32385504 36433692 40481880 45542115 48578256 53975840 60722820 72867384 80963760 91084230 97156512 121445640 145734768 161927520 182168460 242891280 291469536 364336920 485782560 728673840 1457347680