Search a number
-
+
37983421 = 740913267
BaseRepresentation
bin1001000011100…
…1010010111101
32122110202110101
42100321102331
534210432141
63434041101
7640565560
oct220712275
978422411
1037983421
111a493563
1210879191
137b3b9c8
14508a4d7
153504531
hex24394bd

37983421 has 8 divisors (see below), whose sum is σ = 43519040. Its totient is φ = 32475168.

The previous prime is 37983409. The next prime is 37983431. The reversal of 37983421 is 12438973.

37983421 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 37983421 - 27 = 37983293 is a prime.

It is a super-3 number, since 3×379834213 (a number of 24 digits) contains 333 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 (37983431) 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, 3771 + ... + 9496.

It is an arithmetic number, because the mean of its divisors is an integer number (5439880).

Almost surely, 237983421 is an apocalyptic number.

It is an amenable number.

37983421 is a deficient number, since it is larger than the sum of its proper divisors (5535619).

37983421 is a wasteful number, since it uses less digits than its factorization.

37983421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683.

The product of its digits is 36288, while the sum is 37.

The square root of 37983421 is about 6163.0691217931. The cubic root of 37983421 is about 336.1486404183.

The spelling of 37983421 in words is "thirty-seven million, nine hundred eighty-three thousand, four hundred twenty-one".

Divisors: 1 7 409 2863 13267 92869 5426203 37983421