Search a number
-
+
141820836 = 22391112973
BaseRepresentation
bin10000111010000…
…00001110100100
3100212212020121120
420131000032210
5242301231321
622023413540
73341312553
oct1035001644
9325766546
10141820836
1173066103
123b5b42b0
13234c7071
1414b99d9a
15c6b5ec6
hex87403a4

141820836 has 24 divisors (see below), whose sum is σ = 331304064. Its totient is φ = 47218080.

The previous prime is 141820831. The next prime is 141820841. The reversal of 141820836 is 638028141.

It is an interprime number because it is at equal distance from previous prime (141820831) and next prime (141820841).

It is a super-2 number, since 2×1418208362 = 40226299047477792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141820797 and 141820806.

It is not an unprimeable number, because it can be changed into a prime (141820831) 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, 4446 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (13804336).

Almost surely, 2141820836 is an apocalyptic number.

It is an amenable number.

141820836 is an abundant number, since it is smaller than the sum of its proper divisors (189483228).

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

141820836 is a wasteful number, since it uses less digits than its factorization.

141820836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 141820836 is about 11908.8553606130. The cubic root of 141820836 is about 521.4908351172.

Adding to 141820836 its reverse (638028141), we get a palindrome (779848977).

The spelling of 141820836 in words is "one hundred forty-one million, eight hundred twenty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 911 1822 2733 3644 5466 10932 12973 25946 38919 51892 77838 155676 11818403 23636806 35455209 47273612 70910418 141820836