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135456100 = 225213293593
BaseRepresentation
bin10000001001011…
…10010101100100
3100102212212211121
420010232111210
5234134043400
621235143324
73233233513
oct1004562544
9312785747
10135456100
116a50919a
1239444b44
13220a9050
1413dc067a
15bd5a21a
hex812e564

135456100 has 72 divisors (see below), whose sum is σ = 327557160. Its totient is φ = 48276480.

The previous prime is 135456089. The next prime is 135456103. The reversal of 135456100 is 1654531.

It can be written as a sum of positive squares in 12 ways, for example, as 71199844 + 64256256 = 8438^2 + 8016^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (135456103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35904 + ... + 39496.

It is an arithmetic number, because the mean of its divisors is an integer number (4549405).

Almost surely, 2135456100 is an apocalyptic number.

135456100 is a gapful number since it is divisible by the number (10) 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 135456100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163778580).

135456100 is an abundant number, since it is smaller than the sum of its proper divisors (192101060).

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

135456100 is a wasteful number, since it uses less digits than its factorization.

135456100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 135456100 is about 11638.5609076037. The cubic root of 135456100 is about 513.5698531507.

The spelling of 135456100 in words is "one hundred thirty-five million, four hundred fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 29 50 52 58 65 100 116 130 145 260 290 325 377 580 650 725 754 1300 1450 1508 1885 2900 3593 3770 7186 7540 9425 14372 17965 18850 35930 37700 46709 71860 89825 93418 104197 179650 186836 208394 233545 359300 416788 467090 520985 934180 1041970 1167725 1354561 2083940 2335450 2604925 2709122 4670900 5209850 5418244 6772805 10419700 13545610 27091220 33864025 67728050 135456100