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1307172384 = 25337216133
BaseRepresentation
bin100110111101001…
…1101111000100000
310101002200020102000
41031322131320200
510134114004014
6333413124000
744251532130
oct11572357040
93332606360
101307172384
11610956a61
12305929600
1317aa797ab
14c586aac0
1579b5a509
hex4de9de20

1307172384 has 96 divisors (see below), whose sum is σ = 4357261440. Its totient is φ = 373476096.

The previous prime is 1307172359. The next prime is 1307172389. The reversal of 1307172384 is 4832717031.

1307172384 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 (36).

It is not an unprimeable number, because it can be changed into a prime (1307172389) 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, 102019 + ... + 114114.

It is an arithmetic number, because the mean of its divisors is an integer number (45388140).

Almost surely, 21307172384 is an apocalyptic number.

1307172384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1307172384 is an abundant number, since it is smaller than the sum of its proper divisors (3050089056).

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

1307172384 is a wasteful number, since it uses less digits than its factorization.

1307172384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216159 (or 216145 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1307172384 is about 36154.8390122263. The cubic root of 1307172384 is about 1093.3963540248.

The spelling of 1307172384 in words is "one billion, three hundred seven million, one hundred seventy-two thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 216133 432266 648399 864532 1296798 1512931 1729064 1945197 2593596 3025862 3458128 3890394 4538793 5187192 5835591 6051724 6916256 7780788 9077586 10374384 11671182 12103448 13616379 15561576 18155172 20748768 23342364 24206896 27232758 31123152 36310344 40849137 46684728 48413792 54465516 62246304 72620688 81698274 93369456 108931032 145241376 163396548 186738912 217862064 326793096 435724128 653586192 1307172384