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135272090 = 2517975571
BaseRepresentation
bin10000001000000…
…01011010011010
3100102112112102102
420010001122122
5234112201330
621231203402
73231536162
oct1004013232
9312475372
10135272090
116a3a2a18
1239376562
1322043375
1413d735a2
15bd20945
hex810169a

135272090 has 16 divisors (see below), whose sum is σ = 244853280. Its totient is φ = 53805840.

The previous prime is 135272057. The next prime is 135272107. The reversal of 135272090 is 90272531.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35996 + ... + 39575.

It is an arithmetic number, because the mean of its divisors is an integer number (15303330).

Almost surely, 2135272090 is an apocalyptic number.

135272090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135272090 is a deficient number, since it is larger than the sum of its proper divisors (109581190).

135272090 is a wasteful number, since it uses less digits than its factorization.

135272090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75757.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 135272090 is about 11630.6530341164. The cubic root of 135272090 is about 513.3371952072.

The spelling of 135272090 in words is "one hundred thirty-five million, two hundred seventy-two thousand, ninety".

Divisors: 1 2 5 10 179 358 895 1790 75571 151142 377855 755710 13527209 27054418 67636045 135272090