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393025134 = 23103769827
BaseRepresentation
bin10111011011010…
…001011001101110
31000101112202010110
4113123101121232
51301103301014
6102555520450
712511441605
oct2733213156
91011482113
10393025134
11191941667
12ab759126
136356b968
143a2aaa3c
1524786d59
hex176d166e

393025134 has 32 divisors (see below), whose sum is σ = 795674880. Its totient is φ = 129411072.

The previous prime is 393025133. The next prime is 393025147. The reversal of 393025134 is 431520393.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393025133) by changing a digit.

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, 474829 + ... + 475655.

It is an arithmetic number, because the mean of its divisors is an integer number (24864840).

Almost surely, 2393025134 is an apocalyptic number.

393025134 is an abundant number, since it is smaller than the sum of its proper divisors (402649746).

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

393025134 is a wasteful number, since it uses less digits than its factorization.

393025134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

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

The square root of 393025134 is about 19824.8615127572. The cubic root of 393025134 is about 732.4985592504.

The spelling of 393025134 in words is "three hundred ninety-three million, twenty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 103 206 309 618 769 827 1538 1654 2307 2481 4614 4962 79207 85181 158414 170362 237621 255543 475242 511086 635963 1271926 1907889 3815778 65504189 131008378 196512567 393025134