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142583701 = 1310967977
BaseRepresentation
bin10000111111110…
…10011110010101
3100221022000001211
420133322132111
5243000134301
622052021421
73350640631
oct1037723625
9327260054
10142583701
1173537277
123b901871
1323703370
1414d17dc1
15c7b7051
hex87fa795

142583701 has 4 divisors (see below), whose sum is σ = 153551692. Its totient is φ = 131615712.

The previous prime is 142583677. The next prime is 142583717. The reversal of 142583701 is 107385241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93219025 + 49364676 = 9655^2 + 7026^2 .

It is a cyclic number.

It is not a de Polignac number, because 142583701 - 211 = 142581653 is a prime.

It is a super-2 number, since 2×1425837012 = 40660223581714802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142583801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483976 + ... + 5484001.

It is an arithmetic number, because the mean of its divisors is an integer number (38387923).

Almost surely, 2142583701 is an apocalyptic number.

It is an amenable number.

142583701 is a deficient number, since it is larger than the sum of its proper divisors (10967991).

142583701 is a wasteful number, since it uses less digits than its factorization.

142583701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967990.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 142583701 is about 11940.8417207498. The cubic root of 142583701 is about 522.4242097589.

The spelling of 142583701 in words is "one hundred forty-two million, five hundred eighty-three thousand, seven hundred one".

Divisors: 1 13 10967977 142583701