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133412430 = 23517261593
BaseRepresentation
bin1111111001110…
…11011001001110
3100022001001110010
413330323121032
5233123144210
621123254050
73206662344
oct774733116
9308031403
10133412430
1169342808
123881a326
1321841a88
1413a0b994
15baa4920
hex7f3b64e

133412430 has 32 divisors (see below), whose sum is σ = 339025824. Its totient is φ = 33483776.

The previous prime is 133412407. The next prime is 133412449. The reversal of 133412430 is 34214331.

It is a junction number, because it is equal to n+sod(n) for n = 133412397 and 133412406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130287 + ... + 131306.

It is an arithmetic number, because the mean of its divisors is an integer number (10594557).

Almost surely, 2133412430 is an apocalyptic number.

133412430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133412430 is an abundant number, since it is smaller than the sum of its proper divisors (205613394).

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

133412430 is a wasteful number, since it uses less digits than its factorization.

133412430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261620.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133412430 is about 11550.4298621307. The cubic root of 133412430 is about 510.9739558291.

Adding to 133412430 its reverse (34214331), we get a palindrome (167626761).

The spelling of 133412430 in words is "one hundred thirty-three million, four hundred twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 261593 523186 784779 1307965 1569558 2615930 3923895 4447081 7847790 8894162 13341243 22235405 26682486 44470810 66706215 133412430