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70773328 = 2419212253
BaseRepresentation
bin1000011011111…
…10101001010000
311221011122202101
410031332221100
5121104221303
611004530144
71516364143
oct415765120
9157148671
1070773328
1136a4a05a
121b850954
131187c812
14958405a
15632ed1d
hex437ea50

70773328 has 30 divisors (see below), whose sum is σ = 144731994. Its totient is φ = 33521472.

The previous prime is 70773319. The next prime is 70773343. The reversal of 70773328 is 82337707.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 10679824 = 7752^2 + 3268^2 .

It is a super-4 number, since 4×707733284 (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 351 + ... + 11902.

Almost surely, 270773328 is an apocalyptic number.

It is an amenable number.

70773328 is an abundant number, since it is smaller than the sum of its proper divisors (73958666).

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

70773328 is a wasteful number, since it uses less digits than its factorization.

70773328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12299 (or 12274 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 70773328 is about 8412.6885120038. The cubic root of 70773328 is about 413.6406443926.

The spelling of 70773328 in words is "seventy million, seven hundred seventy-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 12253 24506 49012 98024 196048 232807 465614 931228 1862456 3724912 4423333 8846666 17693332 35386664 70773328