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30442466 = 259257987
BaseRepresentation
bin111010000100…
…0001111100010
32010021122012202
41310020033202
530243124331
63004253202
7516520355
oct164101742
963248182
1030442466
111620296a
12a241202
1363cb4c2
14408629c
152a14ecb
hex1d083e2

30442466 has 8 divisors (see below), whose sum is σ = 46437840. Its totient is φ = 14963188.

The previous prime is 30442441. The next prime is 30442481. The reversal of 30442466 is 66424403.

It is a happy number.

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

It is a super-2 number, since 2×304424662 = 1853487472322312, which contains 22 as substring.

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, 128876 + ... + 129111.

It is an arithmetic number, because the mean of its divisors is an integer number (5804730).

Almost surely, 230442466 is an apocalyptic number.

30442466 is a deficient number, since it is larger than the sum of its proper divisors (15995374).

30442466 is a wasteful number, since it uses less digits than its factorization.

30442466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258048.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 30442466 is about 5517.4691662029. The cubic root of 30442466 is about 312.2434066492.

Adding to 30442466 its reverse (66424403), we get a palindrome (96866869).

The spelling of 30442466 in words is "thirty million, four hundred forty-two thousand, four hundred sixty-six".

Divisors: 1 2 59 118 257987 515974 15221233 30442466