Search a number
-
+
142237570 = 2514223757
BaseRepresentation
bin10000111101001…
…01111110000010
3100220122102021011
420132211332002
5242403100240
622040351134
73344666536
oct1036457602
9326572234
10142237570
1173320212
123b7754aa
1323611957
1414c67bc6
15c7496ea
hex87a5f82

142237570 has 8 divisors (see below), whose sum is σ = 256027644. Its totient is φ = 56895024.

The previous prime is 142237567. The next prime is 142237597. The reversal of 142237570 is 75732241.

142237570 is digitally balanced in base 2 and base 3, because in such bases 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 141348321 + 889249 = 11889^2 + 943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7111869 + ... + 7111888.

Almost surely, 2142237570 is an apocalyptic number.

142237570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142237570 is a deficient number, since it is larger than the sum of its proper divisors (113790074).

142237570 is a wasteful number, since it uses less digits than its factorization.

142237570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223764.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 142237570 is about 11926.3393377851. The cubic root of 142237570 is about 522.0011278925.

The spelling of 142237570 in words is "one hundred forty-two million, two hundred thirty-seven thousand, five hundred seventy".

Divisors: 1 2 5 10 14223757 28447514 71118785 142237570