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64541942 = 250364157
BaseRepresentation
bin1111011000110…
…1010011110110
311111110001220022
43312031103312
5113010320232
610223205142
71412411633
oct366152366
9144401808
1064541942
1133483353
12197467b2
13104aa3ca
14880118a
1559ed812
hex3d8d4f6

64541942 has 8 divisors (see below), whose sum is σ = 97006896. Its totient is φ = 32206312.

The previous prime is 64541923. The next prime is 64541947. The reversal of 64541942 is 24914546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64541947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31073 + ... + 33084.

It is an arithmetic number, because the mean of its divisors is an integer number (12125862).

Almost surely, 264541942 is an apocalyptic number.

64541942 is a deficient number, since it is larger than the sum of its proper divisors (32464954).

64541942 is a wasteful number, since it uses less digits than its factorization.

64541942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64662.

The product of its digits is 34560, while the sum is 35.

The square root of 64541942 is about 8033.7999726157. The cubic root of 64541942 is about 401.1258738801.

The spelling of 64541942 in words is "sixty-four million, five hundred forty-one thousand, nine hundred forty-two".

Divisors: 1 2 503 1006 64157 128314 32270971 64541942