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25249041 = 3243531231
BaseRepresentation
bin110000001010…
…0010100010001
31202111210011200
41200110110101
522430432131
62301101413
7424420236
oct140242421
952453150
1025249041
1113285a84
128557869
13530067c
1434d378d
15233b2e6
hex1814511

25249041 has 24 divisors (see below), whose sum is σ = 38054016. Its totient is φ = 16117920.

The previous prime is 25249039. The next prime is 25249061. The reversal of 25249041 is 14094252.

25249041 = 9542 + 9552 + ... + 9802.

It is not a de Polignac number, because 25249041 - 21 = 25249039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25248996 and 25249014.

It is not an unprimeable number, because it can be changed into a prime (25249061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19896 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584).

Almost surely, 225249041 is an apocalyptic number.

It is an amenable number.

25249041 is a deficient number, since it is larger than the sum of its proper divisors (12804975).

25249041 is a wasteful number, since it uses less digits than its factorization.

25249041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25249041 is about 5024.8423855878. The cubic root of 25249041 is about 293.3695012508.

The spelling of 25249041 in words is "twenty-five million, two hundred forty-nine thousand, forty-one".

Divisors: 1 3 9 43 53 129 159 387 477 1231 2279 3693 6837 11079 20511 52933 65243 158799 195729 476397 587187 2805449 8416347 25249041