Base | Representation |
---|---|
bin | 10000111110000… |
… | …01110010000000 |
3 | 100220212012112100 |
4 | 20133001302000 |
5 | 242420221423 |
6 | 22043030400 |
7 | 3345652626 |
oct | 1037016200 |
9 | 326765470 |
10 | 142351488 |
11 | 73398864 |
12 | 3b80b400 |
13 | 23651766 |
14 | 14c97516 |
15 | c76d343 |
hex | 87c1c80 |
142351488 has 96 divisors (see below), whose sum is σ = 423855900. Its totient is φ = 45803520.
The previous prime is 142351487. The next prime is 142351499. The reversal of 142351488 is 884153241.
142351488 is a `hidden beast` number, since 142 + 35 + 1 + 488 = 666.
142351488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 128867904 + 13483584 = 11352^2 + 3672^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×1423514882 = 40527892271628288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (142351487) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31278 + ... + 35538.
Almost surely, 2142351488 is an apocalyptic number.
142351488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142351488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211927950).
142351488 is an abundant number, since it is smaller than the sum of its proper divisors (281504412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142351488 is a wasteful number, since it uses less digits than its factorization.
142351488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4310 (or 4295 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 142351488 is about 11931.1142815749. The cubic root of 142351488 is about 522.1404475212.
The spelling of 142351488 in words is "one hundred forty-two million, three hundred fifty-one thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •