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64007216 = 2471343961
BaseRepresentation
bin1111010000101…
…0110000110000
311110102220101122
43310022300300
5112341212331
610203521412
71405023650
oct364126060
9143386348
1064007216
1133148629
1219529268
1310350bc0
148702360
15594517b
hex3d0ac30

64007216 has 40 divisors (see below), whose sum is σ = 152636064. Its totient is φ = 25320960.

The previous prime is 64007201. The next prime is 64007233. The reversal of 64007216 is 61270046.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20525 + ... + 23436.

Almost surely, 264007216 is an apocalyptic number.

It is an amenable number.

64007216 is an abundant number, since it is smaller than the sum of its proper divisors (88628848).

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

64007216 is a wasteful number, since it uses less digits than its factorization.

64007216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43989 (or 43983 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 64007216 is about 8000.4509872882. The cubic root of 64007216 is about 400.0150327684.

The spelling of 64007216 in words is "sixty-four million, seven thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 43961 87922 175844 307727 351688 571493 615454 703376 1142986 1230908 2285972 2461816 4000451 4571944 4923632 8000902 9143888 16001804 32003608 64007216