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2258987 is a prime number
BaseRepresentation
bin1000100111100000101011
311020202202012
420213200223
51034241422
6120230135
725125653
oct10474053
94222665
102258987
111303235
1290b34b
136112a3
1442b363
152e94e2
hex22782b

2258987 has 2 divisors, whose sum is σ = 2258988. Its totient is φ = 2258986.

The previous prime is 2258981. The next prime is 2259029. The reversal of 2258987 is 7898522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2258987 - 220 = 1210411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2258981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129493 + 1129494.

It is an arithmetic number, because the mean of its divisors is an integer number (1129494).

22258987 is an apocalyptic number.

2258987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258987 is an equidigital number, since it uses as much as digits as its factorization.

2258987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 2258987 is about 1502.9926812862. The cubic root of 2258987 is about 131.2113016675.

The spelling of 2258987 in words is "two million, two hundred fifty-eight thousand, nine hundred eighty-seven".