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920124023 = 71310111253
BaseRepresentation
bin110110110101111…
…111101001110111
32101010101010212112
4312311333221313
53341022432043
6231145241235
731541632220
oct6665775167
92333333775
10920124023
11432427885
1221819321b
131188213b0
148a2b8247
1555ba4518
hex36d7fa77

920124023 has 8 divisors (see below), whose sum is σ = 1132460448. Its totient is φ = 728010144.

The previous prime is 920124011. The next prime is 920124053. The reversal of 920124023 is 320421029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920124023 - 26 = 920123959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920124023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920124053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055536 + ... + 5055717.

It is an arithmetic number, because the mean of its divisors is an integer number (141557556).

Almost surely, 2920124023 is an apocalyptic number.

920124023 is a deficient number, since it is larger than the sum of its proper divisors (212336425).

920124023 is a wasteful number, since it uses less digits than its factorization.

920124023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111273.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 920124023 is about 30333.5461659200. The cubic root of 920124023 is about 972.6325283798.

The spelling of 920124023 in words is "nine hundred twenty million, one hundred twenty-four thousand, twenty-three".

Divisors: 1 7 13 91 10111253 70778771 131446289 920124023