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13446142 = 26723071
BaseRepresentation
bin110011010010…
…101111111110
3221022010122021
4303102233332
511420234032
61200110354
7222201403
oct63225776
927263567
1013446142
117654316
1246053ba
132a2a2c8
141b002aa
1512a9097
hexcd2bfe

13446142 has 4 divisors (see below), whose sum is σ = 20169216. Its totient is φ = 6723070.

The previous prime is 13446137. The next prime is 13446161. The reversal of 13446142 is 24164431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24164431 = 43355807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361534 + ... + 3361537.

It is an arithmetic number, because the mean of its divisors is an integer number (5042304).

Almost surely, 213446142 is an apocalyptic number.

13446142 is a deficient number, since it is larger than the sum of its proper divisors (6723074).

13446142 is an equidigital number, since it uses as much as digits as its factorization.

13446142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723073.

The product of its digits is 2304, while the sum is 25.

The square root of 13446142 is about 3666.8981442085. The cubic root of 13446142 is about 237.7930904208.

The spelling of 13446142 in words is "thirteen million, four hundred forty-six thousand, one hundred forty-two".

Divisors: 1 2 6723071 13446142