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772097233 = 981778649
BaseRepresentation
bin101110000001010…
…100010011010001
31222210211121021211
4232001110103101
53040124102413
6204340420121
725063501225
oct5601242321
91883747254
10772097233
11366913096
121966a7641
13c3c6368b
1474784785
1547bb483d
hex2e0544d1

772097233 has 4 divisors (see below), whose sum is σ = 772185700. Its totient is φ = 772008768.

The previous prime is 772097203. The next prime is 772097251. The reversal of 772097233 is 332790277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332790277 = 714687187.

It can be written as a sum of positive squares in 2 ways, for example, as 552109009 + 219988224 = 23497^2 + 14832^2 .

It is a cyclic number.

It is not a de Polignac number, because 772097233 - 25 = 772097201 is a prime.

It is a super-2 number, since 2×7720972332 = 1192268274412512578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772097203) 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, 29508 + ... + 49141.

It is an arithmetic number, because the mean of its divisors is an integer number (193046425).

Almost surely, 2772097233 is an apocalyptic number.

It is an amenable number.

772097233 is a deficient number, since it is larger than the sum of its proper divisors (88467).

772097233 is an equidigital number, since it uses as much as digits as its factorization.

772097233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88466.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 772097233 is about 27786.6376699305. The cubic root of 772097233 is about 917.3970346777.

The spelling of 772097233 in words is "seven hundred seventy-two million, ninety-seven thousand, two hundred thirty-three".

Divisors: 1 9817 78649 772097233