Search a number
-
+
30606851 = 1117163673
BaseRepresentation
bin111010011000…
…0011000000011
32010120222201002
41310300120003
530313404401
63012002215
7521103542
oct164603003
963528632
1030606851
1116305420
12a30036b
136458282
1440ca159
152a48a6b
hex1d30603

30606851 has 8 divisors (see below), whose sum is σ = 35353584. Its totient is φ = 26187520.

The previous prime is 30606839. The next prime is 30606857. The reversal of 30606851 is 15860603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30606851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30606857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81650 + ... + 82023.

It is an arithmetic number, because the mean of its divisors is an integer number (4419198).

Almost surely, 230606851 is an apocalyptic number.

30606851 is a deficient number, since it is larger than the sum of its proper divisors (4746733).

30606851 is a wasteful number, since it uses less digits than its factorization.

30606851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163701.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30606851 is about 5532.3458857884. The cubic root of 30606851 is about 312.8044214320.

The spelling of 30606851 in words is "thirty million, six hundred six thousand, eight hundred fifty-one".

Divisors: 1 11 17 187 163673 1800403 2782441 30606851