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70733056 = 281716253
BaseRepresentation
bin1000011011101…
…00110100000000
311221002121111211
410031310310000
5121101424211
611004015504
71516135552
oct415646400
9157077454
1070733056
1136a21879
121b831594
13118673a4
1495734d2
156322e21
hex4374d00

70733056 has 36 divisors (see below), whose sum is σ = 149504292. Its totient is φ = 33284096.

The previous prime is 70733051. The next prime is 70733071. The reversal of 70733056 is 65033707.

It can be written as a sum of positive squares in 2 ways, for example, as 52070656 + 18662400 = 7216^2 + 4320^2 .

It is a super-2 number, since 2×707330562 = 10006330422198272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70733051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3775 + ... + 12478.

It is an arithmetic number, because the mean of its divisors is an integer number (4152897).

Almost surely, 270733056 is an apocalyptic number.

It is an amenable number.

70733056 is an abundant number, since it is smaller than the sum of its proper divisors (78771236).

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

70733056 is a wasteful number, since it uses less digits than its factorization.

70733056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16286 (or 16272 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 70733056 is about 8410.2946440657. The cubic root of 70733056 is about 413.5621718138.

The spelling of 70733056 in words is "seventy million, seven hundred thirty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 2176 4352 16253 32506 65012 130024 260048 276301 520096 552602 1040192 1105204 2080384 2210408 4160768 4420816 8841632 17683264 35366528 70733056