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69379992 = 233211175153
BaseRepresentation
bin1000010001010…
…10011110011000
311211112212110100
410020222132120
5120230124432
610515015400
71501502013
oct410523630
9154485410
1069379992
1136188240
121b29a560
13114b2566
14930037a
15615707c
hex422a798

69379992 has 96 divisors (see below), whose sum is σ = 217086480. Its totient is φ = 19783680.

The previous prime is 69379991. The next prime is 69380011. The reversal of 69379992 is 29997396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69379991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10888 + ... + 16040.

Almost surely, 269379992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69379992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108543240).

69379992 is an abundant number, since it is smaller than the sum of its proper divisors (147706488).

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

69379992 is a wasteful number, since it uses less digits than its factorization.

69379992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5186 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 69379992 is about 8329.4652889606. The cubic root of 69379992 is about 410.9081436435.

The spelling of 69379992 in words is "sixty-nine million, three hundred seventy-nine thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 51 66 68 72 88 99 102 132 136 153 187 198 204 264 306 374 396 408 561 612 748 792 1122 1224 1496 1683 2244 3366 4488 5153 6732 10306 13464 15459 20612 30918 41224 46377 56683 61836 87601 92754 113366 123672 170049 175202 185508 226732 262803 340098 350404 371016 453464 510147 525606 680196 700808 788409 963611 1020294 1051212 1360392 1576818 1927222 2040588 2102424 2890833 3153636 3854444 4081176 5781666 6307272 7708888 8672499 11563332 17344998 23126664 34689996 69379992