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37042693 = 106134913
BaseRepresentation
bin1000110101001…
…1101000000101
32120200222000121
42031103220011
533440331233
63401541541
7626600122
oct215235005
976628017
1037042693
1119a007a6
12104a48b1
13789c76c
144cc3749
1533ba92d
hex2353a05

37042693 has 4 divisors (see below), whose sum is σ = 37078668. Its totient is φ = 37006720.

The previous prime is 37042667. The next prime is 37042727. The reversal of 37042693 is 39624073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39624073 = 158325031.

It can be written as a sum of positive squares in 2 ways, for example, as 21178404 + 15864289 = 4602^2 + 3983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-37042693 is a prime.

It is a super-2 number, since 2×370426932 = 2744322209384498, 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 (37042493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16396 + ... + 18517.

It is an arithmetic number, because the mean of its divisors is an integer number (9269667).

Almost surely, 237042693 is an apocalyptic number.

It is an amenable number.

37042693 is a deficient number, since it is larger than the sum of its proper divisors (35975).

37042693 is a wasteful number, since it uses less digits than its factorization.

37042693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35974.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 37042693 is about 6086.2708615375. The cubic root of 37042693 is about 333.3503003586.

The spelling of 37042693 in words is "thirty-seven million, forty-two thousand, six hundred ninety-three".

Divisors: 1 1061 34913 37042693