Search a number
-
+
37470421 = 47978219
BaseRepresentation
bin1000111011110…
…0000011010101
32121111200202101
42032330003111
534043023141
63415042101
7633331132
oct216740325
977450671
1037470421
111a17309a
1210670331
1379bc361
144d95589
153452531
hex23bc0d5

37470421 has 8 divisors (see below), whose sum is σ = 38666880. Its totient is φ = 36290688.

The previous prime is 37470403. The next prime is 37470443. The reversal of 37470421 is 12407473.

37470421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 37470421 - 217 = 37339349 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 37470421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37470401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (4833360).

Almost surely, 237470421 is an apocalyptic number.

It is an amenable number.

37470421 is a deficient number, since it is larger than the sum of its proper divisors (1196459).

37470421 is an equidigital number, since it uses as much as digits as its factorization.

37470421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 37470421 is about 6121.3087652887. The cubic root of 37470421 is about 334.6284467490.

Adding to 37470421 its reverse (12407473), we get a palindrome (49877894).

The spelling of 37470421 in words is "thirty-seven million, four hundred seventy thousand, four hundred twenty-one".

Divisors: 1 47 97 4559 8219 386293 797243 37470421