Search a number
-
+
4851025 = 52613181
BaseRepresentation
bin10010100000010101010001
3100010110100121
4102200111101
52220213100
6251550241
756142634
oct22402521
910113317
104851025
112813713
12175b381
13100b03a
14903c1b
1565c51a
hex4a0551

4851025 has 12 divisors (see below), whose sum is σ = 6115804. Its totient is φ = 3816000.

The previous prime is 4851017. The next prime is 4851029. The reversal of 4851025 is 5201584.

It can be written as a sum of positive squares in 6 ways, for example, as 2005056 + 2845969 = 1416^2 + 1687^2 .

It is not a de Polignac number, because 4851025 - 23 = 4851017 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4851029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66 + ... + 3115.

Almost surely, 24851025 is an apocalyptic number.

It is an amenable number.

4851025 is a deficient number, since it is larger than the sum of its proper divisors (1264779).

4851025 is a wasteful number, since it uses less digits than its factorization.

4851025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4851025 is about 2202.5042565226. The cubic root of 4851025 is about 169.2821518322.

The spelling of 4851025 in words is "four million, eight hundred fifty-one thousand, twenty-five".

Divisors: 1 5 25 61 305 1525 3181 15905 79525 194041 970205 4851025