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142270816 = 2525117713
BaseRepresentation
bin10000111101011…
…10000101100000
3100220201002212111
420132232011200
5242410131231
622041205104
73345165502
oct1036560540
9326632774
10142270816
1173343196
123b790794
1323623b1c
1414c75d72
15c7544b1
hex87ae160

142270816 has 24 divisors (see below), whose sum is σ = 281227464. Its totient is φ = 70848000.

The previous prime is 142270769. The next prime is 142270859. The reversal of 142270816 is 618072241.

142270816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 825 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (11717811).

Almost surely, 2142270816 is an apocalyptic number.

142270816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142270816 is a deficient number, since it is larger than the sum of its proper divisors (138956648).

142270816 is a wasteful number, since it uses less digits than its factorization.

142270816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974 (or 17966 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 142270816 is about 11927.7330620701. The cubic root of 142270816 is about 522.0417948264.

The spelling of 142270816 in words is "one hundred forty-two million, two hundred seventy thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 251 502 1004 2008 4016 8032 17713 35426 70852 141704 283408 566816 4445963 8891926 17783852 35567704 71135408 142270816