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8790061 = 75523
BaseRepresentation
bin100001100010…
…000000101101
3121112120200211
4201202000231
54222240221
6512222421
7134500000
oct41420055
917476624
108790061
114a64115
122b3aa11
131a89c27
14124b537
15b896e1
hex86202d

8790061 has 12 divisors (see below), whose sum is σ = 10274592. Its totient is φ = 7519932.

The previous prime is 8790007. The next prime is 8790077. The reversal of 8790061 is 1600978.

It is not a de Polignac number, because 8790061 - 213 = 8781869 is a prime.

It is a Duffinian number.

8790061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8710061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16546 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (856216).

Almost surely, 28790061 is an apocalyptic number.

It is an amenable number.

8790061 is a deficient number, since it is larger than the sum of its proper divisors (1484531).

8790061 is an frugal number, since it uses more digits than its factorization.

8790061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 8790061 is about 2964.8037034515. The cubic root of 8790061 is about 206.3782678103.

The spelling of 8790061 in words is "eight million, seven hundred ninety thousand, sixty-one".

Divisors: 1 7 49 343 523 2401 3661 16807 25627 179389 1255723 8790061