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64018214 = 2132375119
BaseRepresentation
bin1111010000110…
…1011100100110
311110110110110222
43310031130212
5112342040324
610204044342
71405101011
oct364153446
9143413428
1064018214
1133155917
12195336b2
1310355c00
148706378
15594855e
hex3d0d726

64018214 has 24 divisors (see below), whose sum is σ = 106813440. Its totient is φ = 28742688.

The previous prime is 64018211. The next prime is 64018231. The reversal of 64018214 is 41281046.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64018211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9947 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (4450560).

Almost surely, 264018214 is an apocalyptic number.

64018214 is a deficient number, since it is larger than the sum of its proper divisors (42795226).

64018214 is a wasteful number, since it uses less digits than its factorization.

64018214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184 (or 5171 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 64018214 is about 8001.1382940179. The cubic root of 64018214 is about 400.0379422342.

The spelling of 64018214 in words is "sixty-four million, eighteen thousand, two hundred fourteen".

Divisors: 1 2 13 26 37 74 169 338 481 962 5119 6253 10238 12506 66547 133094 189403 378806 865111 1730222 2462239 4924478 32009107 64018214