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142437743 = 7113180073
BaseRepresentation
bin10000111110101…
…10110101101111
3100221000120211222
420133112311233
5242431001433
622044533555
73346462250
oct1037266557
9327016758
10142437743
1173447648
123b8512bb
1323681ab6
1414cbab27
15c788b98
hex87d6d6f

142437743 has 8 divisors (see below), whose sum is σ = 164227488. Its totient is φ = 121008384.

The previous prime is 142437727. The next prime is 142437749. The reversal of 142437743 is 347734241.

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

It is not a de Polignac number, because 142437743 - 24 = 142437727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142437749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89246 + ... + 90827.

It is an arithmetic number, because the mean of its divisors is an integer number (20528436).

Almost surely, 2142437743 is an apocalyptic number.

142437743 is a deficient number, since it is larger than the sum of its proper divisors (21789745).

142437743 is a wasteful number, since it uses less digits than its factorization.

142437743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180193.

The product of its digits is 56448, while the sum is 35.

The square root of 142437743 is about 11934.7284426584. The cubic root of 142437743 is about 522.2458863696.

The spelling of 142437743 in words is "one hundred forty-two million, four hundred thirty-seven thousand, seven hundred forty-three".

Divisors: 1 7 113 791 180073 1260511 20348249 142437743