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30542606 = 216978999
BaseRepresentation
bin111010010000…
…0101100001110
32010110201120122
41310200230032
530304330411
63010344542
7520415333
oct164405416
963421518
1030542606
1116271126
12a28b152
136434c63
1440b098a
152a349db
hex1d20b0e

30542606 has 8 divisors (see below), whose sum is σ = 45846000. Its totient is φ = 15260608.

The previous prime is 30542579. The next prime is 30542641. The reversal of 30542606 is 60624503.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (5730750).

Almost surely, 230542606 is an apocalyptic number.

30542606 is a deficient number, since it is larger than the sum of its proper divisors (15303394).

30542606 is a wasteful number, since it uses less digits than its factorization.

30542606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30542606 is about 5526.5365284236. The cubic root of 30542606 is about 312.5854051370.

The spelling of 30542606 in words is "thirty million, five hundred forty-two thousand, six hundred six".

Divisors: 1 2 1697 3394 8999 17998 15271303 30542606