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1214244525 = 352131245379
BaseRepresentation
bin100100001011111…
…1110011010101101
310010121211000100110
41020113332122231
54441321311100
6320253250233
742042623334
oct11027763255
93117730313
101214244525
1157345597a
1229a793979
13164740cb0
14b739ad1b
1571901250
hex485fe6ad

1214244525 has 24 divisors (see below), whose sum is σ = 2161979680. Its totient is φ = 597781440.

The previous prime is 1214244509. The next prime is 1214244527. The reversal of 1214244525 is 5254424121.

It is not a de Polignac number, because 1214244525 - 24 = 1214244509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214244492 and 1214244501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214244527) 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, 621715 + ... + 623664.

Almost surely, 21214244525 is an apocalyptic number.

1214244525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214244525 is a deficient number, since it is larger than the sum of its proper divisors (947735155).

1214244525 is a wasteful number, since it uses less digits than its factorization.

1214244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245405 (or 1245400 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 1214244525 is about 34846.0116082171. The cubic root of 1214244525 is about 1066.8467813793.

Adding to 1214244525 its reverse (5254424121), we get a palindrome (6468668646).

The spelling of 1214244525 in words is "one billion, two hundred fourteen million, two hundred forty-four thousand, five hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 1245379 3736137 6226895 16189927 18680685 31134475 48569781 80949635 93403425 242848905 404748175 1214244525