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30696743 = 7112317333
BaseRepresentation
bin111010100011…
…0010100100111
32010202120000102
41311012110213
530324243433
63013534315
7521626610
oct165062447
963676012
1030696743
1116366a10
12a34439b
13648a16c
144110c07
152a654e8
hex1d46527

30696743 has 16 divisors (see below), whose sum is σ = 39937536. Its totient is φ = 22878240.

The previous prime is 30696739. The next prime is 30696751. The reversal of 30696743 is 34769603.

It is a happy number.

It is not a de Polignac number, because 30696743 - 22 = 30696739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30696697 and 30696706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30696143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6896 + ... + 10437.

It is an arithmetic number, because the mean of its divisors is an integer number (2496096).

Almost surely, 230696743 is an apocalyptic number.

30696743 is a deficient number, since it is larger than the sum of its proper divisors (9240793).

30696743 is a wasteful number, since it uses less digits than its factorization.

30696743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 30696743 is about 5540.4641502315. The cubic root of 30696743 is about 313.1103565515.

The spelling of 30696743 in words is "thirty million, six hundred ninety-six thousand, seven hundred forty-three".

Divisors: 1 7 11 23 77 161 253 1771 17333 121331 190663 398659 1334641 2790613 4385249 30696743