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389706053 = 11311142833
BaseRepresentation
bin10111001110100…
…111000101000101
31000011022010012112
4113032213011011
51244231043203
6102400430405
712441306152
oct2716470505
91004263175
10389706053
1118aa84a20
12aa618405
1362978cc9
1439a85229
152432d6d8
hex173a7145

389706053 has 8 divisors (see below), whose sum is σ = 438848256. Its totient is φ = 342849600.

The previous prime is 389706049. The next prime is 389706059. The reversal of 389706053 is 350607983.

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 389706053 - 22 = 389706049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389706053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389706059) 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, 571076 + ... + 571757.

It is an arithmetic number, because the mean of its divisors is an integer number (54856032).

Almost surely, 2389706053 is an apocalyptic number.

It is an amenable number.

389706053 is a deficient number, since it is larger than the sum of its proper divisors (49142203).

389706053 is a wasteful number, since it uses less digits than its factorization.

389706053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142875.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 389706053 is about 19740.9739628013. The cubic root of 389706053 is about 730.4307540924.

The spelling of 389706053 in words is "three hundred eighty-nine million, seven hundred six thousand, fifty-three".

Divisors: 1 11 31 341 1142833 12571163 35427823 389706053