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42231101 = 1118121211
BaseRepresentation
bin1010000100011…
…0010100111101
32221110120011212
42201012110331
541302343401
64105054205
71021646513
oct241062475
987416155
1042231101
1121924940
1212187365
138998223
1458744b3
153a92dbb
hex284653d

42231101 has 8 divisors (see below), whose sum is σ = 46327008. Its totient is φ = 38178000.

The previous prime is 42231073. The next prime is 42231103. The reversal of 42231101 is 10113224.

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 42231101 - 222 = 38036797 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 (42231103) 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, 8615 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (5790876).

Almost surely, 242231101 is an apocalyptic number.

It is an amenable number.

42231101 is a deficient number, since it is larger than the sum of its proper divisors (4095907).

42231101 is a wasteful number, since it uses less digits than its factorization.

42231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21403.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42231101 is about 6498.5460681602. The cubic root of 42231101 is about 348.2390488826.

Adding to 42231101 its reverse (10113224), we get a palindrome (52344325).

The spelling of 42231101 in words is "forty-two million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 11 181 1991 21211 233321 3839191 42231101