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30502427 = 85335759
BaseRepresentation
bin111010001011…
…0111000011011
32010101200110112
41310112320123
530302034202
63005434535
7520160234
oct164267033
963350415
1030502427
1116243a1a
12a26ba4b
13641c897
1440a008b
152a27b52
hex1d16e1b

30502427 has 4 divisors (see below), whose sum is σ = 30539040. Its totient is φ = 30465816.

The previous prime is 30502421. The next prime is 30502441. The reversal of 30502427 is 72420503.

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

It is a cyclic number.

It is not a de Polignac number, because 30502427 - 24 = 30502411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30502421) 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, 17027 + ... + 18732.

It is an arithmetic number, because the mean of its divisors is an integer number (7634760).

Almost surely, 230502427 is an apocalyptic number.

30502427 is a deficient number, since it is larger than the sum of its proper divisors (36613).

30502427 is an equidigital number, since it uses as much as digits as its factorization.

30502427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36612.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30502427 is about 5522.9002344783. The cubic root of 30502427 is about 312.4482755991.

The spelling of 30502427 in words is "thirty million, five hundred two thousand, four hundred twenty-seven".

Divisors: 1 853 35759 30502427