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42052246 = 230768489
BaseRepresentation
bin1010000001101…
…0101010010110
32221010110211121
42200122222112
541231132441
64101154154
71020303205
oct240325226
987113747
1042052246
1121812525
12120bb95a
1389349b2
14582923c
153a59dd1
hex281aa96

42052246 has 8 divisors (see below), whose sum is σ = 63284760. Its totient is φ = 20957328.

The previous prime is 42052243. The next prime is 42052247. The reversal of 42052246 is 64225024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42052246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052243) by changing a digit.

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, 33631 + ... + 34858.

It is an arithmetic number, because the mean of its divisors is an integer number (7910595).

Almost surely, 242052246 is an apocalyptic number.

42052246 is a deficient number, since it is larger than the sum of its proper divisors (21232514).

42052246 is a wasteful number, since it uses less digits than its factorization.

42052246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68798.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42052246 is about 6484.7703120465. The cubic root of 42052246 is about 347.7467384855.

The spelling of 42052246 in words is "forty-two million, fifty-two thousand, two hundred forty-six".

Divisors: 1 2 307 614 68489 136978 21026123 42052246