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25423601 = 722112459
BaseRepresentation
bin110000011111…
…0111011110001
31202211122121212
41200332323301
523002023401
62304525505
7426045200
oct140767361
952748555
1025423601
1113395145
128620895
135361c68
14353b237
152372dbb
hex183eef1

25423601 has 12 divisors (see below), whose sum is σ = 29726640. Its totient is φ = 21679560.

The previous prime is 25423589. The next prime is 25423613. The reversal of 25423601 is 10632452.

It is an interprime number because it is at equal distance from previous prime (25423589) and next prime (25423613).

It is not a de Polignac number, because 25423601 - 26 = 25423537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25423681) 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, 9110 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (2477220).

Almost surely, 225423601 is an apocalyptic number.

It is an amenable number.

25423601 is a deficient number, since it is larger than the sum of its proper divisors (4303039).

25423601 is a wasteful number, since it uses less digits than its factorization.

25423601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25423601 is about 5042.1821664831. The cubic root of 25423601 is about 294.0440221306.

The spelling of 25423601 in words is "twenty-five million, four hundred twenty-three thousand, six hundred one".

Divisors: 1 7 49 211 1477 2459 10339 17213 120491 518849 3631943 25423601