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141613261 = 199770913
BaseRepresentation
bin10000111000011…
…01100011001101
3100212110200212121
420130031203031
5242223111021
622015132541
73336456436
oct1034154315
9325420777
10141613261
1172a34159
123b514151
132345373a
1414b4448d
15c674741
hex870d8cd

141613261 has 4 divisors (see below), whose sum is σ = 141686172. Its totient is φ = 141540352.

The previous prime is 141613249. The next prime is 141613271. The reversal of 141613261 is 162316141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31573161 + 110040100 = 5619^2 + 10490^2 .

It is a cyclic number.

It is not a de Polignac number, because 141613261 - 25 = 141613229 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 (141613271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33460 + ... + 37453.

It is an arithmetic number, because the mean of its divisors is an integer number (35421543).

Almost surely, 2141613261 is an apocalyptic number.

It is an amenable number.

141613261 is a deficient number, since it is larger than the sum of its proper divisors (72911).

141613261 is an equidigital number, since it uses as much as digits as its factorization.

141613261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72910.

The product of its digits is 864, while the sum is 25.

The square root of 141613261 is about 11900.1370160179. The cubic root of 141613261 is about 521.2362855074.

The spelling of 141613261 in words is "one hundred forty-one million, six hundred thirteen thousand, two hundred sixty-one".

Divisors: 1 1997 70913 141613261