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70338825 = 3252312617
BaseRepresentation
bin1000011000101…
…00100100001001
311220100120201200
410030110210021
5121001320300
610551334413
71512604314
oct414244411
9156316650
1070338825
1136782667
121b681409
1311759b0b
1494ad97b
156296200
hex4314909

70338825 has 18 divisors (see below), whose sum is σ = 125985054. Its totient is φ = 37513920.

The previous prime is 70338799. The next prime is 70338839. The reversal of 70338825 is 52883307.

It can be written as a sum of positive squares in 3 ways, for example, as 18455616 + 51883209 = 4296^2 + 7203^2 .

It is not a de Polignac number, because 70338825 - 213 = 70330633 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70338825.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 156084 + ... + 156533.

Almost surely, 270338825 is an apocalyptic number.

70338825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70338825 is a deficient number, since it is larger than the sum of its proper divisors (55646229).

70338825 is a wasteful number, since it uses less digits than its factorization.

70338825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312633 (or 312625 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 70338825 is about 8386.8244884461. The cubic root of 70338825 is about 412.7924097498.

The spelling of 70338825 in words is "seventy million, three hundred thirty-eight thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 312617 937851 1563085 2813553 4689255 7815425 14067765 23446275 70338825