Search a number
-
+
30469942 = 215234971
BaseRepresentation
bin111010000111…
…0111100110110
32010100000220101
41310032330312
530300014232
63005024314
7516663436
oct164167466
963300811
1030469942
1116221578
12a25509a
13640ab69
1440922c6
152a1d1e7
hex1d0ef36

30469942 has 4 divisors (see below), whose sum is σ = 45704916. Its totient is φ = 15234970.

The previous prime is 30469921. The next prime is 30469961. The reversal of 30469942 is 24996403.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617484 + ... + 7617487.

It is an arithmetic number, because the mean of its divisors is an integer number (11426229).

Almost surely, 230469942 is an apocalyptic number.

30469942 is a deficient number, since it is larger than the sum of its proper divisors (15234974).

30469942 is a wasteful number, since it uses less digits than its factorization.

30469942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234973.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 30469942 is about 5519.9585143369. The cubic root of 30469942 is about 312.3373173513.

The spelling of 30469942 in words is "thirty million, four hundred sixty-nine thousand, nine hundred forty-two".

Divisors: 1 2 15234971 30469942