Search a number
-
+
2570425 = 521113719
BaseRepresentation
bin1001110011100010111001
311211120221221
421303202321
51124223200
6131032041
730563644
oct11634271
94746857
102570425
1114a6220
12a3b621
136bcc80
144aca5b
1535b91a
hex2738b9

2570425 has 24 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 1723200.

The previous prime is 2570419. The next prime is 2570429. The reversal of 2570425 is 5240752.

It is not a de Polignac number, because 2570425 - 213 = 2562233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2570425.

It is not an unprimeable number, because it can be changed into a prime (2570429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3216 + ... + 3934.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

22570425 is an apocalyptic number.

2570425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2570425 is a deficient number, since it is larger than the sum of its proper divisors (1179335).

2570425 is a wasteful number, since it uses less digits than its factorization.

2570425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2570425 is about 1603.2545025666. The cubic root of 2570425 is about 136.9835169400.

The spelling of 2570425 in words is "two million, five hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 719 3575 3595 7909 9347 17975 39545 46735 102817 197725 233675 514085 2570425