Search a number
-
+
70930625 = 54113489
BaseRepresentation
bin1000011101001…
…01000011000001
311221110122112012
410032211003001
5121124240000
611012142305
71520620553
oct416450301
9157418465
1070930625
1137047257
121b907995
13119062ac
1495c54d3
156361735
hex43a50c1

70930625 has 10 divisors (see below), whose sum is σ = 88635690. Its totient is φ = 56744000.

The previous prime is 70930619. The next prime is 70930631. The reversal of 70930625 is 52603907.

It is an interprime number because it is at equal distance from previous prime (70930619) and next prime (70930631).

It can be written as a sum of positive squares in 5 ways, for example, as 46881409 + 24049216 = 6847^2 + 4904^2 .

It is not a de Polignac number, because 70930625 - 222 = 66736321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70930591 and 70930600.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56120 + ... + 57369.

It is an arithmetic number, because the mean of its divisors is an integer number (8863569).

Almost surely, 270930625 is an apocalyptic number.

It is an amenable number.

70930625 is a deficient number, since it is larger than the sum of its proper divisors (17705065).

70930625 is an equidigital number, since it uses as much as digits as its factorization.

70930625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113509 (or 113494 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 70930625 is about 8422.0321182005. The cubic root of 70930625 is about 413.9468628075.

The spelling of 70930625 in words is "seventy million, nine hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 113489 567445 2837225 14186125 70930625