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130345632 = 2533592557
BaseRepresentation
bin1111100010011…
…10101010100000
3100002021020121000
413301032222200
5231332030012
620533432000
73141630264
oct761165240
9302236530
10130345632
116763866a
123779b600
1321009bc1
14134500a4
15b69addc
hex7c4eaa0

130345632 has 96 divisors (see below), whose sum is σ = 386769600. Its totient is φ = 42695424.

The previous prime is 130345609. The next prime is 130345637. The reversal of 130345632 is 236543031.

It is a happy number.

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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 130345596 and 130345605.

It is not an unprimeable number, because it can be changed into a prime (130345637) by changing a digit.

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, 49698 + ... + 52254.

It is an arithmetic number, because the mean of its divisors is an integer number (4028850).

Almost surely, 2130345632 is an apocalyptic number.

130345632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130345632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193384800).

130345632 is an abundant number, since it is smaller than the sum of its proper divisors (256423968).

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

130345632 is a wasteful number, since it uses less digits than its factorization.

130345632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 130345632 is about 11416.9011557427. The cubic root of 130345632 is about 507.0282537387.

Adding to 130345632 its reverse (236543031), we get a palindrome (366888663).

The spelling of 130345632 in words is "one hundred thirty million, three hundred forty-five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 72 96 108 118 144 177 216 236 288 354 432 472 531 708 864 944 1062 1416 1593 1888 2124 2557 2832 3186 4248 5114 5664 6372 7671 8496 10228 12744 15342 16992 20456 23013 25488 30684 40912 46026 50976 61368 69039 81824 92052 122736 138078 150863 184104 245472 276156 301726 368208 452589 552312 603452 736416 905178 1104624 1206904 1357767 1810356 2209248 2413808 2715534 3620712 4073301 4827616 5431068 7241424 8146602 10862136 14482848 16293204 21724272 32586408 43448544 65172816 130345632