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652089 = 3217363
BaseRepresentation
bin10011111001100111001
31020010111110
42133030321
5131331324
621550533
75354064
oct2371471
91203443
10652089
11405a19
12275449
1319aa69
1412d8db
15cd329
hex9f339

652089 has 4 divisors (see below), whose sum is σ = 869456. Its totient is φ = 434724.

The previous prime is 652087. The next prime is 652117. The reversal of 652089 is 980256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 652089 - 21 = 652087 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652081) 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, 108679 + ... + 108684.

It is an arithmetic number, because the mean of its divisors is an integer number (217364).

2652089 is an apocalyptic number.

It is an amenable number.

652089 is a deficient number, since it is larger than the sum of its proper divisors (217367).

652089 is a wasteful number, since it uses less digits than its factorization.

652089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217366.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 652089 is about 807.5202783831. The cubic root of 652089 is about 86.7166099383.

The spelling of 652089 in words is "six hundred fifty-two thousand, eighty-nine".

Divisors: 1 3 217363 652089