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73966248 = 23323121069
BaseRepresentation
bin1000110100010…
…10001010101000
312011011212121200
410122022022220
5122413404443
611201204200
71555463016
oct432121250
9164155550
1073966248
113882aa34
1220930660
1312429c15
149b758b6
156760dd3
hex468a2a8

73966248 has 72 divisors (see below), whose sum is σ = 207189450. Its totient is φ = 23837760.

The previous prime is 73966247. The next prime is 73966307. The reversal of 73966248 is 84266937.

It can be written as a sum of positive squares in only one way, i.e., 63968004 + 9998244 = 7998^2 + 3162^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (73966241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68658 + ... + 69726.

Almost surely, 273966248 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 73966248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103594725).

73966248 is an abundant number, since it is smaller than the sum of its proper divisors (133223202).

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

73966248 is a wasteful number, since it uses less digits than its factorization.

73966248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1105 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 73966248 is about 8600.3632481425. The cubic root of 73966248 is about 419.7698058307.

The spelling of 73966248 in words is "seventy-three million, nine hundred sixty-six thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 961 1069 1116 1922 2138 2232 2883 3207 3844 4276 5766 6414 7688 8552 8649 9621 11532 12828 17298 19242 23064 25656 33139 34596 38484 66278 69192 76968 99417 132556 198834 265112 298251 397668 596502 795336 1027309 1193004 2054618 2386008 3081927 4109236 6163854 8218472 9245781 12327708 18491562 24655416 36983124 73966248