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25008423 = 3116311201
BaseRepresentation
bin101111101100…
…1100100100111
31202001120002220
41133121210213
522400232143
62252003423
7422365566
oct137314447
952046086
1025008423
1113131220
128460573
135247cab
14346dbdd
1522ded83
hex17d9927

25008423 has 16 divisors (see below), whose sum is σ = 36463872. Its totient is φ = 15120000.

The previous prime is 25008419. The next prime is 25008439. The reversal of 25008423 is 32480052.

It is not a de Polignac number, because 25008423 - 22 = 25008419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25008393 and 25008402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25008493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20223 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (2278992).

Almost surely, 225008423 is an apocalyptic number.

25008423 is a deficient number, since it is larger than the sum of its proper divisors (11455449).

25008423 is a wasteful number, since it uses less digits than its factorization.

25008423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25008423 is about 5000.8422290650. The cubic root of 25008423 is about 292.4346088025.

Adding to 25008423 its reverse (32480052), we get a palindrome (57488475).

The spelling of 25008423 in words is "twenty-five million, eight thousand, four hundred twenty-three".

Divisors: 1 3 11 33 631 1201 1893 3603 6941 13211 20823 39633 757831 2273493 8336141 25008423