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142611354 = 23697813
BaseRepresentation
bin10001000000000…
…01001110011010
3100221100102000000
420200001032122
5243002030404
622052353430
73351114354
oct1040011632
9327312000
10142611354
1173556026
123b915876
1323712b22
1414d240d4
15c7c0339
hex880139a

142611354 has 28 divisors (see below), whose sum is σ = 320732106. Its totient is φ = 47536632.

The previous prime is 142611331. The next prime is 142611389. The reversal of 142611354 is 453116241.

It is a happy number.

142611354 is a `hidden beast` number, since 1 + 42 + 611 + 3 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113742225 + 28869129 = 10665^2 + 5373^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 47449 + ... + 50364.

Almost surely, 2142611354 is an apocalyptic number.

142611354 is an abundant number, since it is smaller than the sum of its proper divisors (178120752).

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

142611354 is an frugal number, since it uses more digits than its factorization.

142611354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97833 (or 97818 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 142611354 is about 11941.9995813097. Note that the first 3 decimals coincide. The cubic root of 142611354 is about 522.4579809467.

Adding to 142611354 its reverse (453116241), we get a palindrome (595727595).

The spelling of 142611354 in words is "one hundred forty-two million, six hundred eleven thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 97813 195626 293439 586878 880317 1760634 2640951 5281902 7922853 15845706 23768559 47537118 71305677 142611354