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25423101 = 3211256799
BaseRepresentation
bin110000011111…
…0110011111101
31202211121221100
41200332303331
523002014401
62304523313
7426043554
oct140766375
952747840
1025423101
1113394830
128620539
135361972
14353ad9b
152372b86
hex183ecfd

25423101 has 12 divisors (see below), whose sum is σ = 40060800. Its totient is φ = 15407880.

The previous prime is 25423091. The next prime is 25423103. The reversal of 25423101 is 10132452.

It is not a de Polignac number, because 25423101 - 218 = 25160957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25423103) 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, 128301 + ... + 128498.

It is an arithmetic number, because the mean of its divisors is an integer number (3338400).

Almost surely, 225423101 is an apocalyptic number.

It is an amenable number.

25423101 is a deficient number, since it is larger than the sum of its proper divisors (14637699).

25423101 is a wasteful number, since it uses less digits than its factorization.

25423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256816 (or 256813 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25423101 is about 5042.1325845321. The cubic root of 25423101 is about 294.0420944864.

Adding to 25423101 its reverse (10132452), we get a palindrome (35555553).

The spelling of 25423101 in words is "twenty-five million, four hundred twenty-three thousand, one hundred one".

Divisors: 1 3 9 11 33 99 256799 770397 2311191 2824789 8474367 25423101