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80734737 = 3197136607
BaseRepresentation
bin1001100111111…
…10101000010001
312121220202020110
410303332220101
5131132002422
612002231533
72000143146
oct463765021
9177822213
1080734737
1141633226
12230555a9
1313959945
14aa183cd
15714b60c
hex4cfea11

80734737 has 8 divisors (see below), whose sum is σ = 108193536. Its totient is φ = 53549552.

The previous prime is 80734729. The next prime is 80734769. The reversal of 80734737 is 73743708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80734737 - 23 = 80734729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80734695 and 80734704.

It is not an unprimeable number, because it can be changed into a prime (80734727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67713 + ... + 68894.

It is an arithmetic number, because the mean of its divisors is an integer number (13524192).

Almost surely, 280734737 is an apocalyptic number.

It is an amenable number.

80734737 is a deficient number, since it is larger than the sum of its proper divisors (27458799).

80734737 is a wasteful number, since it uses less digits than its factorization.

80734737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136807.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 80734737 is about 8985.2510816337. The cubic root of 80734737 is about 432.2020391969.

The spelling of 80734737 in words is "eighty million, seven hundred thirty-four thousand, seven hundred thirty-seven".

Divisors: 1 3 197 591 136607 409821 26911579 80734737