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142442010 = 2335527563
BaseRepresentation
bin10000111110101…
…11111000011010
3100221000210201000
420133113320122
5242431121020
622045005430
73346510554
oct1037277032
9327023630
10142442010
117344a877
123b853876
1323683a19
1414cbc4d4
15c78a090
hex87d7e1a

142442010 has 32 divisors (see below), whose sum is σ = 379846080. Its totient is φ = 37984464.

The previous prime is 142441973. The next prime is 142442023. The reversal of 142442010 is 10244241.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 263512 + ... + 264051.

It is an arithmetic number, because the mean of its divisors is an integer number (11870190).

Almost surely, 2142442010 is an apocalyptic number.

142442010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142442010 is an abundant number, since it is smaller than the sum of its proper divisors (237404070).

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

142442010 is a wasteful number, since it uses less digits than its factorization.

142442010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527579 (or 527573 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 142442010 is about 11934.9072053368. The cubic root of 142442010 is about 522.2511012817.

Adding to 142442010 its reverse (10244241), we get a palindrome (152686251).

It can be divided in two parts, 1424 and 42010, that added together give a palindrome (43434).

The spelling of 142442010 in words is "one hundred forty-two million, four hundred forty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 527563 1055126 1582689 2637815 3165378 4748067 5275630 7913445 9496134 14244201 15826890 23740335 28488402 47480670 71221005 142442010