Search a number
-
+
101681430 = 2353389381
BaseRepresentation
bin1100000111110…
…00100100010110
321002022221200220
412003320210112
5202012301210
614031215210
72343164214
oct603704426
9232287626
10101681430
115243a844
122a077506
13180b1c36
14d70bcb4
158dd7c70
hex60f8916

101681430 has 16 divisors (see below), whose sum is σ = 244035504. Its totient is φ = 27115040.

The previous prime is 101681429. The next prime is 101681441. The reversal of 101681430 is 34186101.

It is a super-2 number, since 2×1016814302 = 20678226413689800, 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 101681430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694661 + ... + 1694720.

It is an arithmetic number, because the mean of its divisors is an integer number (15252219).

Almost surely, 2101681430 is an apocalyptic number.

101681430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101681430 is an abundant number, since it is smaller than the sum of its proper divisors (142354074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101681430 is a wasteful number, since it uses less digits than its factorization.

101681430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389391.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 101681430 is about 10083.7210393783. The cubic root of 101681430 is about 466.7459394810.

The spelling of 101681430 in words is "one hundred one million, six hundred eighty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3389381 6778762 10168143 16946905 20336286 33893810 50840715 101681430