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25534106 = 2139912
BaseRepresentation
bin110000101100…
…1111010011010
31210001021012122
41201121322122
523014042411
62311141242
7430015313
oct141317232
953037178
1025534106
1113460174
128674822
1353a0350
14356960a
1523959db
hex1859e9a

25534106 has 12 divisors (see below), whose sum is σ = 41289066. Its totient is φ = 11773080.

The previous prime is 25534099. The next prime is 25534109. The reversal of 25534106 is 60143552.

It can be written as a sum of positive squares in only one way, i.e., 24552025 + 982081 = 4955^2 + 991^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (25534109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25271 + ... + 26261.

Almost surely, 225534106 is an apocalyptic number.

25534106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25534106 is a deficient number, since it is larger than the sum of its proper divisors (15754960).

25534106 is an frugal number, since it uses more digits than its factorization.

25534106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25534106 is about 5053.1283379704. The cubic root of 25534106 is about 294.4694322319.

Multiplying 25534106 by its sum of digits (26), we get a square (663886756 = 257662).

25534106 divided by its sum of digits (26) gives a square (982081 = 9912).

Adding to 25534106 its reverse (60143552), we get a palindrome (85677658).

The spelling of 25534106 in words is "twenty-five million, five hundred thirty-four thousand, one hundred six".

Divisors: 1 2 13 26 991 1982 12883 25766 982081 1964162 12767053 25534106