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25238497 = 29919947
BaseRepresentation
bin110000001000…
…1101111100001
31202111020201011
41200101233201
522430112442
62300540521
7424344424
oct140215741
952436634
1025238497
1113279069
128551741
1352c892b
1434cd9bb
152338117
hex1811be1

25238497 has 8 divisors (see below), whose sum is σ = 26164800. Its totient is φ = 24315984.

The previous prime is 25238491. The next prime is 25238503. The reversal of 25238497 is 79483252.

It is an interprime number because it is at equal distance from previous prime (25238491) and next prime (25238503).

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

It is a cyclic number.

It is not a de Polignac number, because 25238497 - 215 = 25205729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25238491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26178 + ... + 27124.

It is an arithmetic number, because the mean of its divisors is an integer number (3270600).

Almost surely, 225238497 is an apocalyptic number.

It is an amenable number.

25238497 is a deficient number, since it is larger than the sum of its proper divisors (926303).

25238497 is an equidigital number, since it uses as much as digits as its factorization.

25238497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its digits is 120960, while the sum is 40.

The square root of 25238497 is about 5023.7930888921. The cubic root of 25238497 is about 293.3286585286.

The spelling of 25238497 in words is "twenty-five million, two hundred thirty-eight thousand, four hundred ninety-seven".

Divisors: 1 29 919 947 26651 27463 870293 25238497