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8970380 = 225448519
BaseRepresentation
bin100010001110…
…000010001100
3121212202001022
4202032002030
54244023010
6520133312
7136150466
oct42160214
917782038
108970380
115077641
123007238
131b21023
141297136
15bc2d55
hex88e08c

8970380 has 12 divisors (see below), whose sum is σ = 18837840. Its totient is φ = 3588144.

The previous prime is 8970361. The next prime is 8970389. The reversal of 8970380 is 830798.

It is a self number, because there is not a number n which added to its sum of digits gives 8970380.

It is not an unprimeable number, because it can be changed into a prime (8970389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224240 + ... + 224279.

It is an arithmetic number, because the mean of its divisors is an integer number (1569820).

Almost surely, 28970380 is an apocalyptic number.

It is an amenable number.

8970380 is an abundant number, since it is smaller than the sum of its proper divisors (9867460).

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

8970380 is a wasteful number, since it uses less digits than its factorization.

8970380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448528 (or 448526 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8970380 is about 2995.0592648560. The cubic root of 8970380 is about 207.7799386110.

The spelling of 8970380 in words is "eight million, nine hundred seventy thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 448519 897038 1794076 2242595 4485190 8970380