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25070470 = 252507047
BaseRepresentation
bin101111110100…
…0101110000110
31202011201012221
41133220232012
522404223340
62253202554
7423044515
oct137505606
952151187
1025070470
11131738a7
12849045a
13526a2c9
14348867c
15230344a
hex17e8b86

25070470 has 8 divisors (see below), whose sum is σ = 45126864. Its totient is φ = 10028184.

The previous prime is 25070453. The next prime is 25070477. The reversal of 25070470 is 7407052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25070477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253514 + ... + 1253533.

It is an arithmetic number, because the mean of its divisors is an integer number (5640858).

Almost surely, 225070470 is an apocalyptic number.

25070470 is a deficient number, since it is larger than the sum of its proper divisors (20056394).

25070470 is a wasteful number, since it uses less digits than its factorization.

25070470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507054.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 25070470 is about 5007.0420409659. The cubic root of 25070470 is about 292.6762567851.

The spelling of 25070470 in words is "twenty-five million, seventy thousand, four hundred seventy".

Divisors: 1 2 5 10 2507047 5014094 12535235 25070470