Search a number
-
+
242100142 = 2316915651
BaseRepresentation
bin11100110111000…
…10011110101110
3121212112221221221
432123202132232
5443434201032
640005013554
75666550214
oct1633423656
9555487857
10242100142
11114728469
12690b42ba
133b207a2b
1424220cb4
15163c3597
hexe6e27ae

242100142 has 16 divisors (see below), whose sum is σ = 375473664. Its totient is φ = 116955000.

The previous prime is 242100119. The next prime is 242100163. The reversal of 242100142 is 241001242.

It is a super-2 number, since 2×2421001422 = 117224957512840328, 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, 40017 + ... + 45667.

It is an arithmetic number, because the mean of its divisors is an integer number (23467104).

Almost surely, 2242100142 is an apocalyptic number.

242100142 is a deficient number, since it is larger than the sum of its proper divisors (133373522).

242100142 is a wasteful number, since it uses less digits than its factorization.

242100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 242100142 is about 15559.5675389774. The cubic root of 242100142 is about 623.2539142782.

Adding to 242100142 its reverse (241001242), we get a palindrome (483101384).

It can be divided in two parts, 242100 and 142, that added together give a palindrome (242242).

The spelling of 242100142 in words is "two hundred forty-two million, one hundred thousand, one hundred forty-two".

Divisors: 1 2 31 62 691 1382 5651 11302 21421 42842 175181 350362 3904841 7809682 121050071 242100142