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65079072 = 253375323
BaseRepresentation
bin1111100001000…
…0011100100000
311112110100201000
43320100130200
5113130012242
610242512000
71420106622
oct370203440
9145410630
1065079072
113380a963
1219965600
1310637a36
148900c12
155aa7a4c
hex3e10720

65079072 has 48 divisors (see below), whose sum is σ = 189816480. Its totient is φ = 21692736.

The previous prime is 65079061. The next prime is 65079089. The reversal of 65079072 is 27097056.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×650790722 = 8470571224762368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36798 + ... + 38525.

It is an arithmetic number, because the mean of its divisors is an integer number (3954510).

Almost surely, 265079072 is an apocalyptic number.

It is an amenable number.

65079072 is an abundant number, since it is smaller than the sum of its proper divisors (124737408).

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

65079072 is a wasteful number, since it uses less digits than its factorization.

65079072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75342 (or 75328 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 65079072 is about 8067.1600951016. The cubic root of 65079072 is about 402.2355491900.

The spelling of 65079072 in words is "sixty-five million, seventy-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 75323 150646 225969 301292 451938 602584 677907 903876 1205168 1355814 1807752 2033721 2410336 2711628 3615504 4067442 5423256 7231008 8134884 10846512 16269768 21693024 32539536 65079072