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8970913 = 72714729
BaseRepresentation
bin100010001110…
…001010100001
3121212202210001
4202032022201
54244032123
6520140001
7136152160
oct42161241
917782701
108970913
115077a86
123007601
131b21343
1412973d7
15bc30ad
hex88e2a1

8970913 has 8 divisors (see below), whose sum is σ = 10292480. Its totient is φ = 7659360.

The previous prime is 8970901. The next prime is 8970919. The reversal of 8970913 is 3190798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8970913 - 217 = 8839841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (1286560).

Almost surely, 28970913 is an apocalyptic number.

It is an amenable number.

8970913 is a deficient number, since it is larger than the sum of its proper divisors (1321567).

8970913 is a wasteful number, since it uses less digits than its factorization.

8970913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 8970913 is about 2995.1482434097. The cubic root of 8970913 is about 207.7840538032.

It can be divided in two parts, 8 and 970913, that added together give a triangular number (970921 = T1393).

The spelling of 8970913 in words is "eight million, nine hundred seventy thousand, nine hundred thirteen".

Divisors: 1 7 271 1897 4729 33103 1281559 8970913