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64048442 = 232024221
BaseRepresentation
bin1111010001010…
…0110100111010
311110111222221112
43310110310322
5112344022232
610204440322
71405255103
oct364246472
9143458845
1064048442
11331765a7
12195490a2
13103668b3
1487133aa
1559524b2
hex3d14d3a

64048442 has 4 divisors (see below), whose sum is σ = 96072666. Its totient is φ = 32024220.

The previous prime is 64048441. The next prime is 64048447. The reversal of 64048442 is 24484046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 7513081 = 7519^2 + 2741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64048399 and 64048408.

It is not an unprimeable number, because it can be changed into a prime (64048441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16012109 + ... + 16012112.

Almost surely, 264048442 is an apocalyptic number.

64048442 is a deficient number, since it is larger than the sum of its proper divisors (32024224).

64048442 is a wasteful number, since it uses less digits than its factorization.

64048442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32024223.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 64048442 is about 8003.0270523096. The cubic root of 64048442 is about 400.1008953815.

The spelling of 64048442 in words is "sixty-four million, forty-eight thousand, four hundred forty-two".

Divisors: 1 2 32024221 64048442