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70924992 = 2631093389
BaseRepresentation
bin1000011101000…
…11101011000000
311221110100210120
410032203223000
5121124044432
611012100240
71520565255
oct416435300
9157410716
1070924992
1137042aa6
121b904680
1311903868
1495c342c
15635ec2c
hex43a3ac0

70924992 has 56 divisors (see below), whose sum is σ = 189433200. Its totient is φ = 23417856.

The previous prime is 70924979. The next prime is 70924999. The reversal of 70924992 is 29942907.

It is a super-3 number, since 3×709249923 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (70924999) 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 7 ways as a sum of consecutive naturals, for example, 19234 + ... + 22622.

Almost surely, 270924992 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 70924992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94716600).

70924992 is an abundant number, since it is smaller than the sum of its proper divisors (118508208).

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

70924992 is a wasteful number, since it uses less digits than its factorization.

70924992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 70924992 is about 8421.6976910834. The cubic root of 70924992 is about 413.9359045677.

The spelling of 70924992 in words is "seventy million, nine hundred twenty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 109 192 218 327 436 654 872 1308 1744 2616 3389 3488 5232 6778 6976 10167 10464 13556 20334 20928 27112 40668 54224 81336 108448 162672 216896 325344 369401 650688 738802 1108203 1477604 2216406 2955208 4432812 5910416 8865624 11820832 17731248 23641664 35462496 70924992