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136819241 = 1348721611
BaseRepresentation
bin10000010011110…
…11001000101001
3100112110010201022
420021323020221
5240011203431
621324302225
73250641626
oct1011731051
9315403638
10136819241
117025a359
12399a1975
1322465640
141425734d
15c02907b
hex827b229

136819241 has 8 divisors (see below), whose sum is σ = 147653184. Its totient is φ = 126029520.

The previous prime is 136819237. The next prime is 136819261. The reversal of 136819241 is 142918631.

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 136819241 - 22 = 136819237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136819211) 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, 4475 + ... + 17136.

It is an arithmetic number, because the mean of its divisors is an integer number (18456648).

Almost surely, 2136819241 is an apocalyptic number.

It is an amenable number.

136819241 is a deficient number, since it is larger than the sum of its proper divisors (10833943).

136819241 is a wasteful number, since it uses less digits than its factorization.

136819241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111.

The product of its digits is 10368, while the sum is 35.

The square root of 136819241 is about 11696.9757202450. The cubic root of 136819241 is about 515.2868493416.

It can be divided in two parts, 13681 and 9241, that added together give a palindrome (22922).

The spelling of 136819241 in words is "one hundred thirty-six million, eight hundred nineteen thousand, two hundred forty-one".

Divisors: 1 13 487 6331 21611 280943 10524557 136819241