Search a number
-
+
101842631 = 1117544613
BaseRepresentation
bin1100001000111…
…11111011000111
321002122010211022
412010133323013
5202032431011
614034501355
72344435202
oct604377307
9232563738
10101842631
115253a970
122a13485b
131813a417
14d750939
158e1a8db
hex611fec7

101842631 has 8 divisors (see below), whose sum is σ = 117636624. Its totient is φ = 87137920.

The previous prime is 101842607. The next prime is 101842633. The reversal of 101842631 is 136248101.

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

It is not a de Polignac number, because 101842631 - 218 = 101580487 is a prime.

It is a super-2 number, since 2×1018426312 = 20743842978004322, which contains 22 as substring.

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 101842631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101842633) 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, 272120 + ... + 272493.

It is an arithmetic number, because the mean of its divisors is an integer number (14704578).

Almost surely, 2101842631 is an apocalyptic number.

101842631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101842631 is a deficient number, since it is larger than the sum of its proper divisors (15793993).

101842631 is a wasteful number, since it uses less digits than its factorization.

101842631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544641.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 101842631 is about 10091.7110045819. The cubic root of 101842631 is about 466.9924616714.

The spelling of 101842631 in words is "one hundred one million, eight hundred forty-two thousand, six hundred thirty-one".

Divisors: 1 11 17 187 544613 5990743 9258421 101842631