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69696928 = 2573110037
BaseRepresentation
bin1000010011101…
…11110110100000
311212010222012201
410021313312200
5120320300203
610525502544
71504262020
oct411676640
9155128181
1069696928
1136384374
121b411a54
13115938b2
149383a80
1561bae1d
hex4277da0

69696928 has 48 divisors (see below), whose sum is σ = 161892864. Its totient is φ = 28903680.

The previous prime is 69696901. The next prime is 69696929. The reversal of 69696928 is 82969696.

It is not an unprimeable number, because it can be changed into a prime (69696929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 11962.

It is an arithmetic number, because the mean of its divisors is an integer number (3372768).

Almost surely, 269696928 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 69696928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80946432).

69696928 is an abundant number, since it is smaller than the sum of its proper divisors (92195936).

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

69696928 is a wasteful number, since it uses less digits than its factorization.

69696928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10077 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 69696928 is about 8348.4686020851. The cubic root of 69696928 is about 411.5328856236.

The spelling of 69696928 in words is "sixty-nine million, six hundred ninety-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 112 124 217 224 248 434 496 868 992 1736 3472 6944 10037 20074 40148 70259 80296 140518 160592 281036 311147 321184 562072 622294 1124144 1244588 2178029 2248288 2489176 4356058 4978352 8712116 9956704 17424232 34848464 69696928