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30612063 = 310204021
BaseRepresentation
bin111010011000…
…1101001011111
32010121020212010
41310301221133
530314041223
63012042303
7521124666
oct164615137
963536763
1030612063
1116309329
12a303393
13645a761
1440cbddd
152a4a393
hex1d31a5f

30612063 has 4 divisors (see below), whose sum is σ = 40816088. Its totient is φ = 20408040.

The previous prime is 30612047. The next prime is 30612067. The reversal of 30612063 is 36021603.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30612063 - 24 = 30612047 is a prime.

It is a super-2 number, since 2×306120632 = 1874196802231938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30612067) 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, 5102008 + ... + 5102013.

It is an arithmetic number, because the mean of its divisors is an integer number (10204022).

Almost surely, 230612063 is an apocalyptic number.

30612063 is a deficient number, since it is larger than the sum of its proper divisors (10204025).

30612063 is a wasteful number, since it uses less digits than its factorization.

30612063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10204024.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30612063 is about 5532.8169136526. The cubic root of 30612063 is about 312.8221761074.

Adding to 30612063 its reverse (36021603), we get a palindrome (66633666).

The spelling of 30612063 in words is "thirty million, six hundred twelve thousand, sixty-three".

Divisors: 1 3 10204021 30612063