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64100942 = 232050471
BaseRepresentation
bin1111010010000…
…1101001001110
311110121122221222
43310201221032
5112402212232
610205523342
71405564133
oct364415116
9143548858
1064100942
1133201a94
1219573552
1310384769
14872858a
155962d12
hex3d21a4e

64100942 has 4 divisors (see below), whose sum is σ = 96151416. Its totient is φ = 32050470.

The previous prime is 64100929. The next prime is 64100947. The reversal of 64100942 is 24900146.

64100942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64100947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16025234 + ... + 16025237.

It is an arithmetic number, because the mean of its divisors is an integer number (24037854).

Almost surely, 264100942 is an apocalyptic number.

64100942 is a deficient number, since it is larger than the sum of its proper divisors (32050474).

64100942 is a wasteful number, since it uses less digits than its factorization.

64100942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32050473.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64100942 is about 8006.3063893408. The cubic root of 64100942 is about 400.2101853693.

The spelling of 64100942 in words is "sixty-four million, one hundred thousand, nine hundred forty-two".

Divisors: 1 2 32050471 64100942