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64084249 = 1513891091
BaseRepresentation
bin1111010001110…
…1100100011001
311110120211001201
43310131210121
5112401143444
610205314201
71405464355
oct364354431
9143524051
1064084249
11331a0499
1219565961
1310379c98
148722465
15595cdd4
hex3d1d919

64084249 has 8 divisors (see below), whose sum is σ = 64733760. Its totient is φ = 63438000.

The previous prime is 64084243. The next prime is 64084277. The reversal of 64084249 is 94248046.

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

It is a cyclic number.

It is not a de Polignac number, because 64084249 - 27 = 64084121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64084243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58194 + ... + 59284.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720).

Almost surely, 264084249 is an apocalyptic number.

It is an amenable number.

64084249 is a deficient number, since it is larger than the sum of its proper divisors (649511).

64084249 is a wasteful number, since it uses less digits than its factorization.

64084249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 64084249 is about 8005.2638307554. The cubic root of 64084249 is about 400.1754417892.

The spelling of 64084249 in words is "sixty-four million, eighty-four thousand, two hundred forty-nine".

Divisors: 1 151 389 1091 58739 164741 424399 64084249