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189701694 = 232713179647
BaseRepresentation
bin10110100111010…
…01111000111110
3111012221211210200
423103221320332
5342030423234
630453544330
74462303110
oct1323517076
9435854720
10189701694
1198099766
12536450a6
13303bca30
141b2a13b0
15119c2d99
hexb4e9e3e

189701694 has 96 divisors (see below), whose sum is σ = 509483520. Its totient is φ = 49674816.

The previous prime is 189701689. The next prime is 189701713. The reversal of 189701694 is 496107981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 292879 + ... + 293525.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2189701694 is an apocalyptic number.

189701694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189701694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254741760).

189701694 is an abundant number, since it is smaller than the sum of its proper divisors (319781826).

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

189701694 is a wasteful number, since it uses less digits than its factorization.

189701694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 189701694 is about 13773.2238056310. The cubic root of 189701694 is about 574.5886853025.

The spelling of 189701694 in words is "one hundred eighty-nine million, seven hundred one thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 179 182 234 273 358 537 546 647 819 1074 1253 1294 1611 1638 1941 2327 2506 3222 3759 3882 4529 4654 5823 6981 7518 8411 9058 11277 11646 13587 13962 16289 16822 20943 22554 25233 27174 32578 40761 41886 48867 50466 58877 75699 81522 97734 115813 117754 146601 151398 176631 231626 293202 347439 353262 529893 694878 810691 1042317 1059786 1505569 1621382 2084634 2432073 3011138 4516707 4864146 7296219 9033414 10538983 13550121 14592438 21077966 27100242 31616949 63233898 94850847 189701694