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64201542 = 2310700257
BaseRepresentation
bin1111010011101…
…0001101000110
311110210202221220
43310322031012
5112413422132
610212021210
71406463336
oct364721506
9143722856
1064201542
1133270629
1219601806
13103bb4a2
1487530c6
155982a2c
hex3d3a346

64201542 has 8 divisors (see below), whose sum is σ = 128403096. Its totient is φ = 21400512.

The previous prime is 64201541. The next prime is 64201547. The reversal of 64201542 is 24510246.

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

64201542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64201541) 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, 5350123 + ... + 5350134.

It is an arithmetic number, because the mean of its divisors is an integer number (16050387).

Almost surely, 264201542 is an apocalyptic number.

64201542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64201542 is a wasteful number, since it uses less digits than its factorization.

64201542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700262.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 64201542 is about 8012.5864737923. The cubic root of 64201542 is about 400.4194391898.

Adding to 64201542 its reverse (24510246), we get a palindrome (88711788).

The spelling of 64201542 in words is "sixty-four million, two hundred one thousand, five hundred forty-two".

Divisors: 1 2 3 6 10700257 21400514 32100771 64201542