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142304414 = 2719896011
BaseRepresentation
bin10000111101101…
…10010010011110
3100220202210221212
420132312102132
5242412220124
622042024422
73345365450
oct1036662236
9326683855
10142304414
117336645a
123b7a8112
13236361c5
1414c842d0
15c75e40e
hex87b649e

142304414 has 32 divisors (see below), whose sum is σ = 259718400. Its totient is φ = 57119040.

The previous prime is 142304411. The next prime is 142304429. The reversal of 142304414 is 414403241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142304414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142304411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20669 + ... + 26679.

It is an arithmetic number, because the mean of its divisors is an integer number (8116200).

Almost surely, 2142304414 is an apocalyptic number.

142304414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142304414 is a deficient number, since it is larger than the sum of its proper divisors (117413986).

142304414 is a wasteful number, since it uses less digits than its factorization.

142304414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142304414 is about 11929.1413773163. The cubic root of 142304414 is about 522.0828858953.

Adding to 142304414 its reverse (414403241), we get a palindrome (556707655).

The spelling of 142304414 in words is "one hundred forty-two million, three hundred four thousand, four hundred fourteen".

Divisors: 1 2 7 14 19 38 89 133 178 266 623 1246 1691 3382 6011 11837 12022 23674 42077 84154 114209 228418 534979 799463 1069958 1598926 3744853 7489706 10164601 20329202 71152207 142304414