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15194214 = 2327323107
BaseRepresentation
bin111001111101…
…100001100110
31001120221112200
4321331201212
512342203324
61301355330
7243102000
oct71754146
931527480
1015194214
118638702
125108b46
1331bcb79
142037370
151501ec9
hexe7d866

15194214 has 96 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 4113648.

The previous prime is 15194203. The next prime is 15194219. The reversal of 15194214 is 41249151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15194219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141949 + ... + 142055.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 215194214 is an apocalyptic number.

15194214 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 15194214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217600).

15194214 is an abundant number, since it is smaller than the sum of its proper divisors (25240986).

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

15194214 is a wasteful number, since it uses less digits than its factorization.

15194214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 142 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 15194214 is about 3897.9756284513. The cubic root of 15194214 is about 247.6810307017.

The spelling of 15194214 in words is "fifteen million, one hundred ninety-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 49 63 69 98 107 126 138 147 161 207 214 294 321 322 343 414 441 483 642 686 749 882 963 966 1029 1127 1449 1498 1926 2058 2247 2254 2461 2898 3087 3381 4494 4922 5243 6174 6741 6762 7383 7889 10143 10486 13482 14766 15729 15778 17227 20286 22149 23667 31458 34454 36701 44298 47187 47334 51681 71001 73402 94374 103362 110103 120589 142002 155043 220206 241178 310086 330309 361767 660618 723534 844123 1085301 1688246 2170602 2532369 5064738 7597107 15194214