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142194703 = 767303187
BaseRepresentation
bin10000111100110…
…11100000001111
3100220120020110111
420132123200033
5242400212303
622035420451
73344430550
oct1036334017
9326506414
10142194703
11732a0a92
123b754727
13235c82a1
1414c56327
15c73bb6d
hex879b80f

142194703 has 8 divisors (see below), whose sum is σ = 164934272. Its totient is φ = 120061656.

The previous prime is 142194697. The next prime is 142194709. The reversal of 142194703 is 307491241.

142194703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142194697) and next prime (142194709).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142194703 is a prime.

It is a super-2 number, since 2×1421947032 = 40438667122516418, 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 (142194709) 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, 151125 + ... + 152062.

It is an arithmetic number, because the mean of its divisors is an integer number (20616784).

Almost surely, 2142194703 is an apocalyptic number.

142194703 is a deficient number, since it is larger than the sum of its proper divisors (22739569).

142194703 is an equidigital number, since it uses as much as digits as its factorization.

142194703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303261.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 142194703 is about 11924.5420457140. The cubic root of 142194703 is about 521.9486830740.

The spelling of 142194703 in words is "one hundred forty-two million, one hundred ninety-four thousand, seven hundred three".

Divisors: 1 7 67 469 303187 2122309 20313529 142194703