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13432442 = 26716221
BaseRepresentation
bin110011001111…
…011001111010
3221021102211212
4303033121322
511414314232
61155523122
7222113432
oct63173172
927242755
1013432442
117644aa1
1245b94a2
132a23cba
141ad92c2
1512a4eb2
hexccf67a

13432442 has 4 divisors (see below), whose sum is σ = 20148666. Its totient is φ = 6716220.

The previous prime is 13432429. The next prime is 13432451. The reversal of 13432442 is 24423431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24423431 = 163149837.

It can be written as a sum of positive squares in only one way, i.e., 13256881 + 175561 = 3641^2 + 419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358109 + ... + 3358112.

Almost surely, 213432442 is an apocalyptic number.

13432442 is a deficient number, since it is larger than the sum of its proper divisors (6716224).

13432442 is an equidigital number, since it uses as much as digits as its factorization.

13432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716223.

The product of its digits is 2304, while the sum is 23.

The square root of 13432442 is about 3665.0296042461. The cubic root of 13432442 is about 237.7123021325.

Adding to 13432442 its reverse (24423431), we get a palindrome (37855873).

The spelling of 13432442 in words is "thirteen million, four hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 6716221 13432442