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2252658 = 23375443
BaseRepresentation
bin1000100101111101110010
311020110001210
420211331302
51034041113
6120140550
725101342
oct10457562
94213053
102252658
1112a9501
12907756
1360b445
14428d22
152e76c3
hex225f72

2252658 has 8 divisors (see below), whose sum is σ = 4505328. Its totient is φ = 750884.

The previous prime is 2252651. The next prime is 2252681. The reversal of 2252658 is 8562522.

It is a sphenic number, since it is the product of 3 distinct primes.

2252658 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 24 + 26 + 55 + 214 + 67 + 59 + 8 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2252651) 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, 187716 + ... + 187727.

It is an arithmetic number, because the mean of its divisors is an integer number (563166).

22252658 is an apocalyptic number.

2252658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2252658 is a wasteful number, since it uses less digits than its factorization.

2252658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375448.

The product of its digits is 9600, while the sum is 30.

The square root of 2252658 is about 1500.8857384891. The cubic root of 2252658 is about 131.0886488912.

The spelling of 2252658 in words is "two million, two hundred fifty-two thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 375443 750886 1126329 2252658