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142354 = 2109653
BaseRepresentation
bin100010110000010010
321020021101
4202300102
514023404
63015014
71132012
oct426022
9236241
10142354
1197a53
126a46a
134ca44
1439c42
152c2a4
hex22c12

142354 has 8 divisors (see below), whose sum is σ = 215820. Its totient is φ = 70416.

The previous prime is 142327. The next prime is 142357. The reversal of 142354 is 453241.

It can be written as a sum of positive squares in 2 ways, for example, as 142129 + 225 = 377^2 + 15^2 .

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

It is a super-2 number, since 2×1423542 = 40529322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 544.

2142354 is an apocalyptic number.

142354 is a deficient number, since it is larger than the sum of its proper divisors (73466).

142354 is a wasteful number, since it uses less digits than its factorization.

142354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 480, while the sum is 19.

The square root of 142354 is about 377.2982904812. The cubic root of 142354 is about 52.2143518813.

Adding to 142354 its reverse (453241), we get a palindrome (595595).

It can be divided in two parts, 142 and 354, that added together give a triangular number (496 = T31).

The spelling of 142354 in words is "one hundred forty-two thousand, three hundred fifty-four".

Divisors: 1 2 109 218 653 1306 71177 142354