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30538134 = 2341117137
BaseRepresentation
bin111010001111…
…1100110010110
32010110111110000
41310133212112
530304210014
63010312130
7520366314
oct164374626
963414400
1030538134
1116268830
12a288646
136432c03
1440ad0b4
152a33509
hex1d1f996

30538134 has 40 divisors (see below), whose sum is σ = 74653128. Its totient is φ = 9253440.

The previous prime is 30538117. The next prime is 30538141. The reversal of 30538134 is 43183503.

It is a happy number.

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 = 30538098 and 30538107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6787 + ... + 10350.

Almost surely, 230538134 is an apocalyptic number.

30538134 is an abundant number, since it is smaller than the sum of its proper divisors (44114994).

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

30538134 is a wasteful number, since it uses less digits than its factorization.

30538134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162 (or 17153 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30538134 is about 5526.1319202495. The cubic root of 30538134 is about 312.5701483056.

The spelling of 30538134 in words is "thirty million, five hundred thirty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 17137 34274 51411 102822 154233 188507 308466 377014 462699 565521 925398 1131042 1388097 1696563 2776194 3393126 5089689 10179378 15269067 30538134