Base | Representation |
---|---|
bin | 10000111111010… |
… | …10100001101000 |
3 | 100221011200110101 |
4 | 20133222201220 |
5 | 242441042001 |
6 | 22050355144 |
7 | 3350246320 |
oct | 1037524150 |
9 | 327150411 |
10 | 142518376 |
11 | 734a2190 |
12 | 3b88bab4 |
13 | 236ac700 |
14 | 14cdc280 |
15 | c7a2a01 |
hex | 87ea868 |
142518376 has 144 divisors (see below), whose sum is σ = 370772640. Its totient is φ = 49870080.
The previous prime is 142518349. The next prime is 142518391. The reversal of 142518376 is 673815241.
It is a super-2 number, since 2×1425183762 = 40622974995354752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
Its product of digits (40320) is a multiple of the sum of its prime divisors (70).
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 3851830 + ... + 3851866.
It is an arithmetic number, because the mean of its divisors is an integer number (2574810).
Almost surely, 2142518376 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142518376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185386320).
142518376 is an abundant number, since it is smaller than the sum of its proper divisors (228254264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142518376 is a wasteful number, since it uses less digits than its factorization.
142518376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124 (or 70 counting only the distinct ones).
The product of its digits is 40320, while the sum is 37.
The square root of 142518376 is about 11938.1060474432. The cubic root of 142518376 is about 522.3444143488.
The spelling of 142518376 in words is "one hundred forty-two million, five hundred eighteen thousand, three hundred seventy-six".
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