Base | Representation |
---|---|
bin | 10000111100111… |
… | …11011001011110 |
3 | 100220121001100021 |
4 | 20132133121132 |
5 | 242401220104 |
6 | 22040022354 |
7 | 3344525215 |
oct | 1036373136 |
9 | 326531307 |
10 | 142210654 |
11 | 73301a73 |
12 | 3b7619ba |
13 | 23602621 |
14 | 14c5c07c |
15 | c741754 |
hex | 879f65e |
142210654 has 16 divisors (see below), whose sum is σ = 215377920. Its totient is φ = 70421400.
The previous prime is 142210637. The next prime is 142210669. The reversal of 142210654 is 456012241.
It is a happy number.
It is a super-2 number, since 2×1422106542 = 40447740222215432, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122979 + ... + 124129.
It is an arithmetic number, because the mean of its divisors is an integer number (13461120).
Almost surely, 2142210654 is an apocalyptic number.
142210654 is a deficient number, since it is larger than the sum of its proper divisors (73167266).
142210654 is a wasteful number, since it uses less digits than its factorization.
142210654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1695.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 142210654 is about 11925.2108576746. The cubic root of 142210654 is about 521.9681992537.
Adding to 142210654 its reverse (456012241), we get a palindrome (598222895).
The spelling of 142210654 in words is "one hundred forty-two million, two hundred ten thousand, six hundred fifty-four".
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