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64370142 = 2323576119
BaseRepresentation
bin1111010110001…
…1010111011110
311111010100020100
43311203113132
5112434321032
610215401530
71411065024
oct365432736
9144110210
1064370142
1133376271
12196832a6
131044a155
148798714
1559b797c
hex3d635de

64370142 has 12 divisors (see below), whose sum is σ = 139468680. Its totient is φ = 21456708.

The previous prime is 64370113. The next prime is 64370147. The reversal of 64370142 is 24107346.

64370142 is a `hidden beast` number, since 643 + 7 + 0 + 14 + 2 = 666.

It is a super-2 number, since 2×643701422 = 8287030362200328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64370147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1788042 + ... + 1788077.

It is an arithmetic number, because the mean of its divisors is an integer number (11622390).

Almost surely, 264370142 is an apocalyptic number.

64370142 is an abundant number, since it is smaller than the sum of its proper divisors (75098538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64370142 is a wasteful number, since it uses less digits than its factorization.

64370142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576127 (or 3576124 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 64370142 is about 8023.1005228652. The cubic root of 64370142 is about 400.7696473244.

Adding to 64370142 its reverse (24107346), we get a palindrome (88477488).

The spelling of 64370142 in words is "sixty-four million, three hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 3576119 7152238 10728357 21456714 32185071 64370142