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30826613 = 48763299
BaseRepresentation
bin111010110011…
…0000001110101
32011000011011102
41311212001311
530342422423
63020415445
7523010336
oct165460165
964004142
1030826613
1116445544
12a3a7585
1365042cc
14414628d
152a8dc28
hex1d66075

30826613 has 4 divisors (see below), whose sum is σ = 30890400. Its totient is φ = 30762828.

The previous prime is 30826589. The next prime is 30826637. The reversal of 30826613 is 31662803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30826589) and next prime (30826637).

It is a cyclic number.

It is not a de Polignac number, because 30826613 - 28 = 30826357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30826643) 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 3 ways as a sum of consecutive naturals, for example, 31163 + ... + 32136.

It is an arithmetic number, because the mean of its divisors is an integer number (7722600).

Almost surely, 230826613 is an apocalyptic number.

It is an amenable number.

30826613 is a deficient number, since it is larger than the sum of its proper divisors (63787).

30826613 is an equidigital number, since it uses as much as digits as its factorization.

30826613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30826613 is about 5552.1719173671. The cubic root of 30826613 is about 313.5512983437.

The spelling of 30826613 in words is "thirty million, eight hundred twenty-six thousand, six hundred thirteen".

Divisors: 1 487 63299 30826613