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42190837 = 1317918131
BaseRepresentation
bin1010000011110…
…0011111110101
32221101111221121
42200330133311
541300101322
64104143541
71021421233
oct240743765
987344847
1042190837
11218a7667
1212167bb1
138982ac0
145863953
153a85ec7
hex283c7f5

42190837 has 8 divisors (see below), whose sum is σ = 45692640. Its totient is φ = 38725680.

The previous prime is 42190769. The next prime is 42190847. The reversal of 42190837 is 73809124.

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

It is a cyclic number.

It is not a de Polignac number, because 42190837 - 211 = 42188789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42190847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6739 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (5711580).

Almost surely, 242190837 is an apocalyptic number.

It is an amenable number.

42190837 is a deficient number, since it is larger than the sum of its proper divisors (3501803).

42190837 is a wasteful number, since it uses less digits than its factorization.

42190837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18323.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42190837 is about 6495.4474056835. The cubic root of 42190837 is about 348.1283409349.

The spelling of 42190837 in words is "forty-two million, one hundred ninety thousand, eight hundred thirty-seven".

Divisors: 1 13 179 2327 18131 235703 3245449 42190837