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38079293 = 75439899
BaseRepresentation
bin1001000101000…
…0101100111101
32122122121222012
42101100230331
534222014133
63440101005
7641445230
oct221205475
978577865
1038079293
111a54959a
1210904765
137b73535
1450b3417
153522b48
hex2450b3d

38079293 has 4 divisors (see below), whose sum is σ = 43519200. Its totient is φ = 32639388.

The previous prime is 38079289. The next prime is 38079317. The reversal of 38079293 is 39297083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39297083 = 75613869.

It is a cyclic number.

It is not a de Polignac number, because 38079293 - 22 = 38079289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38079293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38079263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719943 + ... + 2719956.

It is an arithmetic number, because the mean of its divisors is an integer number (10879800).

Almost surely, 238079293 is an apocalyptic number.

It is an amenable number.

38079293 is a deficient number, since it is larger than the sum of its proper divisors (5439907).

38079293 is an equidigital number, since it uses as much as digits as its factorization.

38079293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439906.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 38079293 is about 6170.8421629466. The cubic root of 38079293 is about 336.4312213022.

The spelling of 38079293 in words is "thirty-eight million, seventy-nine thousand, two hundred ninety-three".

Divisors: 1 7 5439899 38079293