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30942454 = 241377347
BaseRepresentation
bin111011000001…
…0010011110110
32011020001001211
41312002103312
530410124304
63023112034
7524002144
oct166022366
964201054
1030942454
1116514584
12a44261a
136544c5a
144176594
152ab3204
hex1d824f6

30942454 has 8 divisors (see below), whose sum is σ = 47545848. Its totient is φ = 15093840.

The previous prime is 30942427. The next prime is 30942463. The reversal of 30942454 is 45424903.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188592 + ... + 188755.

It is an arithmetic number, because the mean of its divisors is an integer number (5943231).

Almost surely, 230942454 is an apocalyptic number.

30942454 is a deficient number, since it is larger than the sum of its proper divisors (16603394).

30942454 is a wasteful number, since it uses less digits than its factorization.

30942454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377390.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 30942454 is about 5562.5941789780. The cubic root of 30942454 is about 313.9435643093.

The spelling of 30942454 in words is "thirty million, nine hundred forty-two thousand, four hundred fifty-four".

Divisors: 1 2 41 82 377347 754694 15471227 30942454