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133459230 = 23519234139
BaseRepresentation
bin1111111010001…
…10110100011110
3100022010102122110
413331012310132
5233131143410
621124254450
73210245652
oct775066436
9308112573
10133459230
1169374993
1238841426
132185a178
1413a20a62
15bab3720
hex7f46d1e

133459230 has 32 divisors (see below), whose sum is σ = 337161600. Its totient is φ = 33715872.

The previous prime is 133459199. The next prime is 133459241. The reversal of 133459230 is 32954331.

It is a super-2 number, since 2×1334592302 = 35622732144385800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116500 + ... + 117639.

It is an arithmetic number, because the mean of its divisors is an integer number (10536300).

Almost surely, 2133459230 is an apocalyptic number.

133459230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133459230 is an abundant number, since it is smaller than the sum of its proper divisors (203702370).

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

133459230 is a wasteful number, since it uses less digits than its factorization.

133459230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234168.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 133459230 is about 11552.4555831217. The cubic root of 133459230 is about 511.0336973526.

The spelling of 133459230 in words is "one hundred thirty-three million, four hundred fifty-nine thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 234139 468278 702417 1170695 1404834 2341390 3512085 4448641 7024170 8897282 13345923 22243205 26691846 44486410 66729615 133459230