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142344210 = 23541115727
BaseRepresentation
bin10000111110000…
…00000000010010
3100220211211112210
420133000000102
5242420003320
622042532550
73345622461
oct1037000022
9326754483
10142344210
1173393348
123b807156
132364b358
1414c949d8
15c76b0e0
hex87c0012

142344210 has 32 divisors (see below), whose sum is σ = 349961472. Its totient is φ = 37032320.

The previous prime is 142344199. The next prime is 142344229. The reversal of 142344210 is 12443241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56634 + ... + 59093.

It is an arithmetic number, because the mean of its divisors is an integer number (10936296).

Almost surely, 2142344210 is an apocalyptic number.

142344210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142344210 is an abundant number, since it is smaller than the sum of its proper divisors (207617262).

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

142344210 is a wasteful number, since it uses less digits than its factorization.

142344210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115778.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142344210 is about 11930.8092768261. The cubic root of 142344210 is about 522.1315488835.

Adding to 142344210 its reverse (12443241), we get a palindrome (154787451).

The spelling of 142344210 in words is "one hundred forty-two million, three hundred forty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 115727 231454 347181 578635 694362 1157270 1735905 3471810 4744807 9489614 14234421 23724035 28468842 47448070 71172105 142344210