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42010798 = 221005399
BaseRepresentation
bin1010000001000…
…0100010101110
32221001100222111
42200100202232
541223321143
64100234234
71020041314
oct240204256
987040874
1042010798
1121794375
121209b97a
13891bb7b
1458180b4
153a4c99d
hex28108ae

42010798 has 4 divisors (see below), whose sum is σ = 63016200. Its totient is φ = 21005398.

The previous prime is 42010789. The next prime is 42010807. The reversal of 42010798 is 89701024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42010789) and next prime (42010807).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502698 + ... + 10502701.

It is an arithmetic number, because the mean of its divisors is an integer number (15754050).

Almost surely, 242010798 is an apocalyptic number.

42010798 is a deficient number, since it is larger than the sum of its proper divisors (21005402).

42010798 is a wasteful number, since it uses less digits than its factorization.

42010798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005401.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 42010798 is about 6481.5737286557. The cubic root of 42010798 is about 347.6324509327.

The spelling of 42010798 in words is "forty-two million, ten thousand, seven hundred ninety-eight".

Divisors: 1 2 21005399 42010798