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420231101 = 13112012671
BaseRepresentation
bin11001000011000…
…011011110111101
31002021201221200212
4121003003132331
51330034343401
6105411002205
713261622363
oct3103033675
91067657625
10420231101
111a6233934
12b8899365
13690a5c74
143db4d633
1526d5cdbb
hex190c37bd

420231101 has 8 divisors (see below), whose sum is σ = 423950208. Its totient is φ = 416520000.

The previous prime is 420231061. The next prime is 420231103. The reversal of 420231101 is 101132024.

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 420231101 - 210 = 420230077 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 (420231103) 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, 155996 + ... + 158666.

It is an arithmetic number, because the mean of its divisors is an integer number (52993776).

Almost surely, 2420231101 is an apocalyptic number.

It is an amenable number.

420231101 is a deficient number, since it is larger than the sum of its proper divisors (3719107).

420231101 is a wasteful number, since it uses less digits than its factorization.

420231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003.

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

The square root of 420231101 is about 20499.5390435980. The cubic root of 420231101 is about 749.0245695602.

Adding to 420231101 its reverse (101132024), we get a palindrome (521363125).

The spelling of 420231101 in words is "four hundred twenty million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 131 1201 2671 157331 349901 3207871 420231101