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12552542 = 26276271
BaseRepresentation
bin101111111000…
…100101011110
3212121201211222
4233320211132
511203140132
61125013342
7211460222
oct57704536
925551758
1012552542
1170a3a02
124254252
1327a6652
14194a782
15117e412
hexbf895e

12552542 has 4 divisors (see below), whose sum is σ = 18828816. Its totient is φ = 6276270.

The previous prime is 12552541. The next prime is 12552571. The reversal of 12552542 is 24525521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24525521 = 231066327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138134 + ... + 3138137.

It is an arithmetic number, because the mean of its divisors is an integer number (4707204).

Almost surely, 212552542 is an apocalyptic number.

12552542 is a deficient number, since it is larger than the sum of its proper divisors (6276274).

12552542 is an equidigital number, since it uses as much as digits as its factorization.

12552542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276273.

The product of its digits is 4000, while the sum is 26.

The square root of 12552542 is about 3542.9566748692. The cubic root of 12552542 is about 232.4041582851.

The spelling of 12552542 in words is "twelve million, five hundred fifty-two thousand, five hundred forty-two".

Divisors: 1 2 6276271 12552542