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25072039 = 195712311
BaseRepresentation
bin101111110100…
…1000110100111
31202011210101001
41133221012213
522404301124
62253214131
7423052216
oct137510647
952153331
1025072039
1113174aa3
128491347
13526ac35
14348907d
152303b44
hex17e91a7

25072039 has 8 divisors (see below), whose sum is σ = 26449280. Its totient is φ = 23700600.

The previous prime is 25072031. The next prime is 25072043. The reversal of 25072039 is 93027052.

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

It is not a de Polignac number, because 25072039 - 23 = 25072031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25071998 and 25072016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25072031) 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, 9694 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (3306160).

Almost surely, 225072039 is an apocalyptic number.

25072039 is a deficient number, since it is larger than the sum of its proper divisors (1377241).

25072039 is a wasteful number, since it uses less digits than its factorization.

25072039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 25072039 is about 5007.1987178461. The cubic root of 25072039 is about 292.6823622346.

The spelling of 25072039 in words is "twenty-five million, seventy-two thousand, thirty-nine".

Divisors: 1 19 571 2311 10849 43909 1319581 25072039