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BaseRepresentation
bin1011111010111100001000
312212202200202
423322330020
51300000000
6150551332
735363534
oct13727410
95782622
103125000
11184494a
121068548
13855518
145b4bc4
hex2faf08

3125000 has 36 divisors (see below), whose sum is σ = 7324215. Its totient is φ = 1250000.

The previous prime is 3124999. The next prime is 3125009. The reversal of 3125000 is 5213.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2979076 + 145924 = 1726^2 + 382^2 .

It is an ABA number since it can be written as A⋅BA, here for A=8, B=5.

It is not an unprimeable number, because it can be changed into a prime (3125009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 624998 + ... + 625002.

Almost surely, 23125000 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 3125000

3125000 is an abundant number, since it is smaller than the sum of its proper divisors (4199215).

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

3125000 is an frugal number, since it uses more digits than its factorization.

3125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 3125000 is about 1767.7669529664. The cubic root of 3125000 is about 146.2008869106.

The spelling of 3125000 in words is "three million, one hundred twenty-five thousand".