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30632501 is a prime number
BaseRepresentation
bin111010011011…
…0101000110101
32010122021220002
41310312220311
530320220001
63012321045
7521241404
oct164665065
963567802
1030632501
1116322719
12a313185
136466b53
1440d563b
152a5146b
hex1d36a35

30632501 has 2 divisors, whose sum is σ = 30632502. Its totient is φ = 30632500.

The previous prime is 30632491. The next prime is 30632507. The reversal of 30632501 is 10523603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 940900 = 5449^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 30632501 - 222 = 26438197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30632507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15316250 + 15316251.

It is an arithmetic number, because the mean of its divisors is an integer number (15316251).

Almost surely, 230632501 is an apocalyptic number.

It is an amenable number.

30632501 is a deficient number, since it is larger than the sum of its proper divisors (1).

30632501 is an equidigital number, since it uses as much as digits as its factorization.

30632501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30632501 is about 5534.6635850790. The cubic root of 30632501 is about 312.8917787050.

The spelling of 30632501 in words is "thirty million, six hundred thirty-two thousand, five hundred one".