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25069983 = 341203821
BaseRepresentation
bin101111110100…
…0100110011111
31202011200112220
41133220212133
522404214413
62253200423
7423043221
oct137504637
952150486
1025069983
11131734a4
128490113
13526a013
143488411
152303223
hex17e899f

25069983 has 8 divisors (see below), whose sum is σ = 34242096. Its totient is φ = 16305600.

The previous prime is 25069981. The next prime is 25069991. The reversal of 25069983 is 38996052.

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

It is not a de Polignac number, because 25069983 - 21 = 25069981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25069981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101788 + ... + 102033.

It is an arithmetic number, because the mean of its divisors is an integer number (4280262).

Almost surely, 225069983 is an apocalyptic number.

25069983 is a deficient number, since it is larger than the sum of its proper divisors (9172113).

25069983 is a wasteful number, since it uses less digits than its factorization.

25069983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203865.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 25069983 is about 5006.9934092227. The cubic root of 25069983 is about 292.6743616703.

The spelling of 25069983 in words is "twenty-five million, sixty-nine thousand, nine hundred eighty-three".

Divisors: 1 3 41 123 203821 611463 8356661 25069983