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65052072 = 2335109307
BaseRepresentation
bin1111100000100…
…1110110101000
311112101222200000
43320021312220
5113123131242
610242143000
71416635121
oct370116650
9145358600
1065052072
11337a1648
1219951a60
1310628667
1488d5048
155a9ea4c
hex3e09da8

65052072 has 96 divisors (see below), whose sum is σ = 184984800. Its totient is φ = 21415104.

The previous prime is 65052049. The next prime is 65052083. The reversal of 65052072 is 27025056.

65052072 is a `hidden beast` number, since 650 + 5 + 2 + 0 + 7 + 2 = 666.

65052072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211743 + ... + 212049.

It is an arithmetic number, because the mean of its divisors is an integer number (1926925).

Almost surely, 265052072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65052072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92492400).

65052072 is an abundant number, since it is smaller than the sum of its proper divisors (119932728).

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

65052072 is a wasteful number, since it uses less digits than its factorization.

65052072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 65052072 is about 8065.4864701393. The cubic root of 65052072 is about 402.1799150117.

The spelling of 65052072 in words is "sixty-five million, fifty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 109 162 216 218 243 307 324 327 436 486 614 648 654 872 921 972 981 1228 1308 1842 1944 1962 2456 2616 2763 2943 3684 3924 5526 5886 7368 7848 8289 8829 11052 11772 16578 17658 22104 23544 24867 26487 33156 33463 35316 49734 52974 66312 66926 70632 74601 99468 100389 105948 133852 149202 198936 200778 211896 267704 298404 301167 401556 596808 602334 803112 903501 1204668 1807002 2409336 2710503 3614004 5421006 7228008 8131509 10842012 16263018 21684024 32526036 65052072