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8390135 = 513294451
BaseRepresentation
bin100000000000…
…010111110111
3120210021002202
4200000113313
54121441020
6455455115
7131213015
oct40002767
916707082
108390135
1148106a6
12298749b
131979ba0
1411858b5
15b0ae75
hex8005f7

8390135 has 16 divisors (see below), whose sum is σ = 11219040. Its totient is φ = 5980800.

The previous prime is 8390093. The next prime is 8390143. The reversal of 8390135 is 5310938.

It is not a de Polignac number, because 8390135 - 210 = 8389111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 8390098 and 8390107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (701190).

Almost surely, 28390135 is an apocalyptic number.

8390135 is a deficient number, since it is larger than the sum of its proper divisors (2828905).

8390135 is a wasteful number, since it uses less digits than its factorization.

8390135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 8390135 is about 2896.5729750862. The cubic root of 8390135 is about 203.1996628092.

The spelling of 8390135 in words is "eight million, three hundred ninety thousand, one hundred thirty-five".

Divisors: 1 5 13 29 65 145 377 1885 4451 22255 57863 129079 289315 645395 1678027 8390135