Search a number
-
+
123053390 = 2529634153
BaseRepresentation
bin1110101010110…
…10010101001110
322120112202111222
413111122111032
5223000202030
620113243342
73022636145
oct725322516
9276482458
10123053390
1163507919
1235263552
131c655975
14124b275c
15ac0a3e5
hex755a54e

123053390 has 16 divisors (see below), whose sum is σ = 221624208. Its totient is φ = 49192896.

The previous prime is 123053387. The next prime is 123053459. The reversal of 123053390 is 93350321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27554 + ... + 31706.

It is an arithmetic number, because the mean of its divisors is an integer number (13851513).

Almost surely, 2123053390 is an apocalyptic number.

123053390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123053390 is a deficient number, since it is larger than the sum of its proper divisors (98570818).

123053390 is a wasteful number, since it uses less digits than its factorization.

123053390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 123053390 is about 11092.9432523564. The cubic root of 123053390 is about 497.3909291797.

The spelling of 123053390 in words is "one hundred twenty-three million, fifty-three thousand, three hundred ninety".

Divisors: 1 2 5 10 2963 4153 5926 8306 14815 20765 29630 41530 12305339 24610678 61526695 123053390