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2985256 = 23373157
BaseRepresentation
bin1011011000110100101000
312121200000001
423120310220
51231012011
6143552344
734242241
oct13306450
95550001
102985256
11175995a
12bbb6b4
13806a31
14579cc8
153de7c1
hex2d8d28

2985256 has 8 divisors (see below), whose sum is σ = 5597370. Its totient is φ = 1492624.

The previous prime is 2985253. The next prime is 2985259. The reversal of 2985256 is 6525892.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2985253) and next prime (2985259).

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 532900 = 1566^2 + 730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2985253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186571 + ... + 186586.

22985256 is an apocalyptic number.

It is an amenable number.

2985256 is a deficient number, since it is larger than the sum of its proper divisors (2612114).

2985256 is a wasteful number, since it uses less digits than its factorization.

2985256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373163 (or 373159 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 2985256 is about 1727.7893390110. The cubic root of 2985256 is about 143.9882963739.

The spelling of 2985256 in words is "two million, nine hundred eighty-five thousand, two hundred fifty-six".

Divisors: 1 2 4 8 373157 746314 1492628 2985256