Search a number
-
+
3125028 = 223260419
BaseRepresentation
bin1011111010111100100100
312212202201210
423322330210
51300000103
6150551420
735363604
oct13727444
95782653
103125028
111844975
121068570
1385553a
145b4c04
1541ae03
hex2faf24

3125028 has 12 divisors (see below), whose sum is σ = 7291760. Its totient is φ = 1041672.

The previous prime is 3125027. The next prime is 3125029. The reversal of 3125028 is 8205213.

It is an interprime number because it is at equal distance from previous prime (3125027) and next prime (3125029).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3124995 and 3125013.

It is not an unprimeable number, because it can be changed into a prime (3125021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130198 + ... + 130221.

Almost surely, 23125028 is an apocalyptic number.

It is an amenable number.

3125028 is an abundant number, since it is smaller than the sum of its proper divisors (4166732).

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

3125028 is a wasteful number, since it uses less digits than its factorization.

3125028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260426 (or 260424 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3125028 is about 1767.7748725446. The cubic root of 3125028 is about 146.2013235627.

The spelling of 3125028 in words is "three million, one hundred twenty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 260419 520838 781257 1041676 1562514 3125028