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64361042 = 232180521
BaseRepresentation
bin1111010110000…
…1001001010010
311111002212202022
43311201021102
5112434023132
610215251442
71411026344
oct365411122
9144085668
1064361042
113336a449
1219679b82
1310445c75
148795294
1559b4e12
hex3d61252

64361042 has 4 divisors (see below), whose sum is σ = 96541566. Its totient is φ = 32180520.

The previous prime is 64361041. The next prime is 64361047. The reversal of 64361042 is 24016346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24016346 = 212008173.

It can be written as a sum of positive squares in only one way, i.e., 39450961 + 24910081 = 6281^2 + 4991^2 .

It is not an unprimeable number, because it can be changed into a prime (64361041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16090259 + ... + 16090262.

Almost surely, 264361042 is an apocalyptic number.

64361042 is a deficient number, since it is larger than the sum of its proper divisors (32180524).

64361042 is a wasteful number, since it uses less digits than its factorization.

64361042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32180523.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 64361042 is about 8022.5333903948. The cubic root of 64361042 is about 400.7507608471.

Adding to 64361042 its reverse (24016346), we get a palindrome (88377388).

The spelling of 64361042 in words is "sixty-four million, three hundred sixty-one thousand, forty-two".

Divisors: 1 2 32180521 64361042