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42198297 = 319740321
BaseRepresentation
bin1010000011111…
…0010100011001
32221101220011220
42200332110121
541300321142
64104242253
71021452051
oct240762431
987356156
1042198297
1121902229
1212170389
13898630b
145866561
153a882ec
hex283e519

42198297 has 8 divisors (see below), whose sum is σ = 59225760. Its totient is φ = 26651520.

The previous prime is 42198287. The next prime is 42198313. The reversal of 42198297 is 79289124.

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

It is not a de Polignac number, because 42198297 - 24 = 42198281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42198227) 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, 370104 + ... + 370217.

It is an arithmetic number, because the mean of its divisors is an integer number (7403220).

Almost surely, 242198297 is an apocalyptic number.

It is an amenable number.

42198297 is a deficient number, since it is larger than the sum of its proper divisors (17027463).

42198297 is a wasteful number, since it uses less digits than its factorization.

42198297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740343.

The product of its digits is 72576, while the sum is 42.

The square root of 42198297 is about 6496.0216286586. The cubic root of 42198297 is about 348.1488579046.

The spelling of 42198297 in words is "forty-two million, one hundred ninety-eight thousand, two hundred ninety-seven".

Divisors: 1 3 19 57 740321 2220963 14066099 42198297