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13425524 = 2273712959
BaseRepresentation
bin110011001101…
…101101110100
3221021002100122
4303031231310
511414104044
61155431112
7222054320
oct63155564
927232318
1013425524
11763a882
1245b5498
132a20ac8
141ad6980
1512a2dee
hexccdb74

13425524 has 24 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 5597856.

The previous prime is 13425481. The next prime is 13425539. The reversal of 13425524 is 42552431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13425493 and 13425502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 213425524 is an apocalyptic number.

13425524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13425524 is an abundant number, since it is smaller than the sum of its proper divisors (14153356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13425524 is a wasteful number, since it uses less digits than its factorization.

13425524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13007 (or 13005 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 13425524 is about 3664.0856976878. The cubic root of 13425524 is about 237.6714861215.

Adding to 13425524 its reverse (42552431), we get a palindrome (55977955).

The spelling of 13425524 in words is "thirteen million, four hundred twenty-five thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 12959 25918 51836 90713 181426 362852 479483 958966 1917932 3356381 6712762 13425524