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7970945 = 51998011
BaseRepresentation
bin11110011010000010000001
3112222222002012
4132122002001
54020032240
6442502305
7124515623
oct36320201
915888065
107970945
114554764
122804995
131861148
1410b6c13
15a76b65
hex79a081

7970945 has 8 divisors (see below), whose sum is σ = 9614400. Its totient is φ = 6343920.

The previous prime is 7970927. The next prime is 7970951. The reversal of 7970945 is 5490797.

It is a happy number.

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

It is not a de Polignac number, because 7970945 - 26 = 7970881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (1201800).

Almost surely, 27970945 is an apocalyptic number.

It is an amenable number.

7970945 is a deficient number, since it is larger than the sum of its proper divisors (1643455).

7970945 is a wasteful number, since it uses less digits than its factorization.

7970945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7970945 is about 2823.2862058247. The cubic root of 7970945 is about 199.7575812846.

The spelling of 7970945 in words is "seven million, nine hundred seventy thousand, nine hundred forty-five".

Divisors: 1 5 199 995 8011 40055 1594189 7970945