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12422502 = 232690139
BaseRepresentation
bin101111011000…
…110101100110
3212101010110200
4233120311212
511140010002
61122131330
7210406131
oct57306546
925333420
1012422502
117015234
1241b0b46
13275c3c1
141915218
151155b1c
hexbd8d66

12422502 has 12 divisors (see below), whose sum is σ = 26915460. Its totient is φ = 4140828.

The previous prime is 12422471. The next prime is 12422533. The reversal of 12422502 is 20522421.

It is an interprime number because it is at equal distance from previous prime (12422471) and next prime (12422533).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 690139 = 12422502 / (1 + 2 + 4 + 2 + 2 + 5 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345052 + ... + 345087.

It is an arithmetic number, because the mean of its divisors is an integer number (2242955).

Almost surely, 212422502 is an apocalyptic number.

12422502 is an abundant number, since it is smaller than the sum of its proper divisors (14492958).

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

12422502 is a wasteful number, since it uses less digits than its factorization.

12422502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690147 (or 690144 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12422502 is about 3524.5569934390. The cubic root of 12422502 is about 231.5988285980.

Adding to 12422502 its reverse (20522421), we get a palindrome (32944923).

The spelling of 12422502 in words is "twelve million, four hundred twenty-two thousand, five hundred two".

Divisors: 1 2 3 6 9 18 690139 1380278 2070417 4140834 6211251 12422502