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42775554 = 237129259
BaseRepresentation
bin1010001100101…
…1010000000010
32222111020000210
42203023100002
541422304204
64124454550
71026405033
oct243132002
988436023
1042775554
11221669a8
12123aa456
138b28ca3
145976a8a
153b4e389
hex28cb402

42775554 has 8 divisors (see below), whose sum is σ = 85551120. Its totient is φ = 14258516.

The previous prime is 42775543. The next prime is 42775613. The reversal of 42775554 is 45557724.

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

42775554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564624 + ... + 3564635.

It is an arithmetic number, because the mean of its divisors is an integer number (10693890).

Almost surely, 242775554 is an apocalyptic number.

42775554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42775554 is a wasteful number, since it uses less digits than its factorization.

42775554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129264.

The product of its digits is 196000, while the sum is 39.

The square root of 42775554 is about 6540.3022865920. The cubic root of 42775554 is about 349.7291891549.

The spelling of 42775554 in words is "forty-two million, seven hundred seventy-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7129259 14258518 21387777 42775554