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1307545600 = 212521132
BaseRepresentation
bin100110111101111…
…1001000000000000
310101010101012100211
41031323321000000
510134212424400
6333425123504
744254645204
oct11573710000
93333335324
101307545600
116110913a9
12305a89594
1317ab7a62a
14c5926b04
1579bd0dba
hex4def9000

1307545600 has 117 divisors (see below), whose sum is σ = 3271264243. Its totient is φ = 518389760.

The previous prime is 1307545573. The next prime is 1307545643. The reversal of 1307545600 is 65457031.

The square root of 1307545600 is 36160.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 665227264 + 642318336 = 25792^2 + 25344^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 11571144 + ... + 11571256.

Almost surely, 21307545600 is an apocalyptic number.

1307545600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1307545600 is the 36160-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1307545600

1307545600 is an abundant number, since it is smaller than the sum of its proper divisors (1963718643).

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

1307545600 is an frugal number, since it uses more digits than its factorization.

1307545600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The cubic root of 1307545600 is about 1093.5004041073.

The spelling of 1307545600 in words is "one billion, three hundred seven million, five hundred forty-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 113 128 160 200 226 256 320 400 452 512 565 640 800 904 1024 1130 1280 1600 1808 2048 2260 2560 2825 3200 3616 4096 4520 5120 5650 6400 7232 9040 10240 11300 12769 12800 14464 18080 20480 22600 25538 25600 28928 36160 45200 51076 51200 57856 63845 72320 90400 102152 102400 115712 127690 144640 180800 204304 231424 255380 289280 319225 361600 408608 462848 510760 578560 638450 723200 817216 1021520 1157120 1276900 1446400 1634432 2043040 2314240 2553800 2892800 3268864 4086080 5107600 5785600 6537728 8172160 10215200 11571200 13075456 16344320 20430400 26150912 32688640 40860800 52301824 65377280 81721600 130754560 163443200 261509120 326886400 653772800 1307545600