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420110331 = 3363138567
BaseRepresentation
bin11001000010100…
…101111111111011
31002021111211000220
4121002211333323
51330022012311
6105404231123
713260610314
oct3102457773
91067454026
10420110331
111a6161123
12b883b4a3
1369062cc4
143db1b60b
1526d37206
hex190a5ffb

420110331 has 8 divisors (see below), whose sum is σ = 560315904. Its totient is φ = 279989160.

The previous prime is 420110221. The next prime is 420110359. The reversal of 420110331 is 133011024.

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

It is not a de Polignac number, because 420110331 - 29 = 420109819 is a prime.

It is a super-2 number, since 2×4201103312 = 352985380425859122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420110331.

It is not an unprimeable number, because it can be changed into a prime (420110371) 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, 8391 + ... + 30176.

It is an arithmetic number, because the mean of its divisors is an integer number (70039488).

Almost surely, 2420110331 is an apocalyptic number.

420110331 is a deficient number, since it is larger than the sum of its proper divisors (140205573).

420110331 is a wasteful number, since it uses less digits than its factorization.

420110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42201.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 420110331 is about 20496.5931559369. The cubic root of 420110331 is about 748.9528087567.

Adding to 420110331 its reverse (133011024), we get a palindrome (553121355).

The spelling of 420110331 in words is "four hundred twenty million, one hundred ten thousand, three hundred thirty-one".

Divisors: 1 3 3631 10893 38567 115701 140036777 420110331