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56070142 = 228035071
BaseRepresentation
bin1101010111100…
…0111111111110
310220111122202221
43111320333332
5103323221032
65321435554
71250405542
oct325707776
9126448687
1056070142
1129717367
121693bbba
13b8022cb
147637a22
154dc8597
hex3578ffe

56070142 has 4 divisors (see below), whose sum is σ = 84105216. Its totient is φ = 28035070.

The previous prime is 56070109. The next prime is 56070149. The reversal of 56070142 is 24107065.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56070149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14017534 + ... + 14017537.

It is an arithmetic number, because the mean of its divisors is an integer number (21026304).

Almost surely, 256070142 is an apocalyptic number.

56070142 is a deficient number, since it is larger than the sum of its proper divisors (28035074).

56070142 is a wasteful number, since it uses less digits than its factorization.

56070142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28035073.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56070142 is about 7487.9998664530. Note that the first 3 decimals coincide. The cubic root of 56070142 is about 382.7459042182.

The spelling of 56070142 in words is "fifty-six million, seventy thousand, one hundred forty-two".

Divisors: 1 2 28035071 56070142