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3125740 = 225373419
BaseRepresentation
bin1011111011000111101100
312212210201011
423323013230
51300010430
6150555004
735365642
oct13730754
95783634
103125740
111845462
121068a64
13855967
145b5192
1541b22a
hex2fb1ec

3125740 has 24 divisors (see below), whose sum is σ = 6597360. Its totient is φ = 1243968.

The previous prime is 3125737. The next prime is 3125753. The reversal of 3125740 is 475213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (274890).

Almost surely, 23125740 is an apocalyptic number.

It is an amenable number.

3125740 is an abundant number, since it is smaller than the sum of its proper divisors (3471620).

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

3125740 is a wasteful number, since it uses less digits than its factorization.

3125740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3125740 is about 1767.9762441843. The cubic root of 3125740 is about 146.2124261232.

The spelling of 3125740 in words is "three million, one hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 373 419 746 838 1492 1676 1865 2095 3730 4190 7460 8380 156287 312574 625148 781435 1562870 3125740