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3125388 = 2237291283
BaseRepresentation
bin1011111011000010001100
312212210020010
423323002030
51300003023
6150553220
735364630
oct13730214
95783203
103125388
111845172
121068810
13855756
145b4dc0
1541b093
hex2fb08c

3125388 has 48 divisors (see below), whose sum is σ = 8628480. Its totient is φ = 861504.

The previous prime is 3125387. The next prime is 3125449. The reversal of 3125388 is 8835213.

It is a happy number.

3125388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3125387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (179760).

Almost surely, 23125388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4314240).

3125388 is an abundant number, since it is smaller than the sum of its proper divisors (5503092).

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

3125388 is a wasteful number, since it uses less digits than its factorization.

3125388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1324 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 3125388 is about 1767.8766925326. The cubic root of 3125388 is about 146.2069374276.

The spelling of 3125388 in words is "three million, one hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 1283 2436 2566 3849 5132 7698 8981 15396 17962 26943 35924 37207 53886 74414 107772 111621 148828 223242 260449 446484 520898 781347 1041796 1562694 3125388