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30422842 = 2311812711
BaseRepresentation
bin111010000001…
…1011100111010
32010020122021221
41310003130322
530242012332
63004022254
7516406222
oct164033472
963218257
1030422842
111619a14a
12a23198a
1363c25a8
14407d082
152a0e297
hex1d0373a

30422842 has 16 divisors (see below), whose sum is σ = 47384064. Its totient is φ = 14634000.

The previous prime is 30422837. The next prime is 30422863. The reversal of 30422842 is 24822403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9867 + ... + 12577.

It is an arithmetic number, because the mean of its divisors is an integer number (2961504).

Almost surely, 230422842 is an apocalyptic number.

30422842 is a deficient number, since it is larger than the sum of its proper divisors (16961222).

30422842 is a wasteful number, since it uses less digits than its factorization.

30422842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 30422842 is about 5515.6905279394. The cubic root of 30422842 is about 312.1762988386.

The spelling of 30422842 in words is "thirty million, four hundred twenty-two thousand, eight hundred forty-two".

Divisors: 1 2 31 62 181 362 2711 5422 5611 11222 84041 168082 490691 981382 15211421 30422842