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30948342 = 235158057
BaseRepresentation
bin111011000001…
…1101111110110
32011020100010220
41312003233312
530410321332
63023155210
7524025255
oct166035766
964210126
1030948342
1116518a47
12a445b06
136547839
14417879c
152ab4d2c
hex1d83bf6

30948342 has 8 divisors (see below), whose sum is σ = 61896696. Its totient is φ = 10316112.

The previous prime is 30948341. The next prime is 30948361. The reversal of 30948342 is 24384903.

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

30948342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30948341) 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, 2579023 + ... + 2579034.

It is an arithmetic number, because the mean of its divisors is an integer number (7737087).

Almost surely, 230948342 is an apocalyptic number.

30948342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30948342 is a wasteful number, since it uses less digits than its factorization.

30948342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158062.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 30948342 is about 5563.1234032691. The cubic root of 30948342 is about 313.9634763528.

The spelling of 30948342 in words is "thirty million, nine hundred forty-eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 5158057 10316114 15474171 30948342