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2258628 = 223375087
BaseRepresentation
bin1000100111011011000100
311020202020220
420213123010
51034234003
6120224340
725124631
oct10473304
94222226
102258628
111302a39
1290b0b0
13611088
1442b188
152e9353
hex2276c4

2258628 has 24 divisors (see below), whose sum is σ = 5413632. Its totient is φ = 732384.

The previous prime is 2258621. The next prime is 2258639. The reversal of 2258628 is 8268522.

It is not an unprimeable number, because it can be changed into a prime (2258621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 2987.

It is an arithmetic number, because the mean of its divisors is an integer number (225568).

22258628 is an apocalyptic number.

It is an amenable number.

2258628 is an abundant number, since it is smaller than the sum of its proper divisors (3155004).

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

2258628 is a wasteful number, since it uses less digits than its factorization.

2258628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5129 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 2258628 is about 1502.8732481484. The cubic root of 2258628 is about 131.2043505646.

The spelling of 2258628 in words is "two million, two hundred fifty-eight thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 5087 10174 15261 20348 30522 61044 188219 376438 564657 752876 1129314 2258628