Base | Representation |
---|---|
bin | 10000111011000… |
… | …10100011010111 |
3 | 100220010101110210 |
4 | 20131202203113 |
5 | 242320231211 |
6 | 22030420503 |
7 | 3342436503 |
oct | 1035424327 |
9 | 326111423 |
10 | 141961431 |
11 | 731517a7 |
12 | 3b661733 |
13 | 23546061 |
14 | 14bd5303 |
15 | c6e29a6 |
hex | 87628d7 |
141961431 has 8 divisors (see below), whose sum is σ = 195387904. Its totient is φ = 91587960.
The previous prime is 141961429. The next prime is 141961439. The reversal of 141961431 is 134169141.
141961431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 141961431 - 21 = 141961429 is a prime.
It is a super-2 number, since 2×1419614312 = 40306095783135522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141961439) 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, 763141 + ... + 763326.
It is an arithmetic number, because the mean of its divisors is an integer number (24423488).
Almost surely, 2141961431 is an apocalyptic number.
141961431 is a deficient number, since it is larger than the sum of its proper divisors (53426473).
141961431 is a wasteful number, since it uses less digits than its factorization.
141961431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1526501.
The product of its digits is 2592, while the sum is 30.
The square root of 141961431 is about 11914.7568586186. The cubic root of 141961431 is about 521.6631059695.
The spelling of 141961431 in words is "one hundred forty-one million, nine hundred sixty-one thousand, four hundred thirty-one".
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