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934723081 = 5657165233
BaseRepresentation
bin110111101101101…
…011111000001001
32102010211212000101
4313231223320021
53403242114311
6232430205401
732110005115
oct6755537011
92363755011
10934723081
1143a699316
12221053861
1311b8633a6
148c1d8745
15570d9ec1
hex37b6be09

934723081 has 4 divisors (see below), whose sum is σ = 934893972. Its totient is φ = 934552192.

The previous prime is 934723063. The next prime is 934723103. The reversal of 934723081 is 180327439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180327439 = 892026151.

It can be written as a sum of positive squares in 2 ways, for example, as 265983481 + 668739600 = 16309^2 + 25860^2 .

It is a cyclic number.

It is not a de Polignac number, because 934723081 - 27 = 934722953 is a prime.

It is a super-2 number, since 2×9347230812 = 1747414476308265122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 934723081.

It is not an unprimeable number, because it can be changed into a prime (934723051) 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, 76960 + ... + 88273.

It is an arithmetic number, because the mean of its divisors is an integer number (233723493).

Almost surely, 2934723081 is an apocalyptic number.

It is an amenable number.

934723081 is a deficient number, since it is larger than the sum of its proper divisors (170891).

934723081 is a wasteful number, since it uses less digits than its factorization.

934723081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170890.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 934723081 is about 30573.2412576750. The cubic root of 934723081 is about 977.7496194681.

The spelling of 934723081 in words is "nine hundred thirty-four million, seven hundred twenty-three thousand, eighty-one".

Divisors: 1 5657 165233 934723081