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42210001 = 193895711
BaseRepresentation
bin1010000100000…
…1001011010001
32221102111020101
42201001023101
541301210001
64104412401
71021531141
oct241011321
987374211
1042210001
112190aaa9
1212177101
13898b742
14586a921
153a8ba01
hex28412d1

42210001 has 8 divisors (see below), whose sum is σ = 44553600. Its totient is φ = 39878640.

The previous prime is 42209983. The next prime is 42210013. The reversal of 42210001 is 10001224.

Adding to 42210001 its reverse (10001224), we get a palindrome (52211225).

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 42210001 - 217 = 42078929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42210001.

It is not an unprimeable number, because it can be changed into a prime (42210071) 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, 4536 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (5569200).

Almost surely, 242210001 is an apocalyptic number.

It is an amenable number.

42210001 is a deficient number, since it is larger than the sum of its proper divisors (2343599).

42210001 is a wasteful number, since it uses less digits than its factorization.

42210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 42210001 is about 6496.9224252718. The cubic root of 42210001 is about 348.1810421226.

The spelling of 42210001 in words is "forty-two million, two hundred ten thousand, one".

Divisors: 1 19 389 5711 7391 108509 2221579 42210001