Search a number
-
+
142868416 = 2610321673
BaseRepresentation
bin10001000001111…
…11111111000000
3100221211110121211
420200333333000
5243033242131
622102055504
73353234665
oct1040777700
9327743554
10142868416
1173711179
123ba1a594
13237a2b32
1414d8da6c
15c8215b1
hex883ffc0

142868416 has 28 divisors (see below), whose sum is σ = 286270192. Its totient is φ = 70737408.

The previous prime is 142868393. The next prime is 142868423. The reversal of 142868416 is 614868241.

142868416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1428684162 = 40822768580698112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4245 + ... + 17428.

Almost surely, 2142868416 is an apocalyptic number.

142868416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142868416 is an abundant number, since it is smaller than the sum of its proper divisors (143401776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142868416 is a wasteful number, since it uses less digits than its factorization.

142868416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788 (or 21778 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 142868416 is about 11952.7576734409. The cubic root of 142868416 is about 522.7717088384.

The spelling of 142868416 in words is "one hundred forty-two million, eight hundred sixty-eight thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 64 103 206 412 824 1648 3296 6592 21673 43346 86692 173384 346768 693536 1387072 2232319 4464638 8929276 17858552 35717104 71434208 142868416