Search a number
-
+
369421920 = 25325767547
BaseRepresentation
bin10110000001001…
…110111001100000
3221202010120121100
4112001032321200
51224033000140
6100353554400
712104014560
oct2601167140
9852116540
10369421920
1117a59017a
12a3875a00
135b6c646a
14370c4da0
1522673530
hex1604ee60

369421920 has 288 divisors, whose sum is σ = 1464922368. Its totient is φ = 83026944.

The previous prime is 369421919. The next prime is 369421937. The reversal of 369421920 is 29124963.

369421920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675087 + ... + 675633.

It is an arithmetic number, because the mean of its divisors is an integer number (5086536).

Almost surely, 2369421920 is an apocalyptic number.

369421920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 369421920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732461184).

369421920 is an abundant number, since it is smaller than the sum of its proper divisors (1095500448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

369421920 is a wasteful number, since it uses less digits than its factorization.

369421920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 369421920 is about 19220.3517137434. The cubic root of 369421920 is about 717.5313603471.

The spelling of 369421920 in words is "three hundred sixty-nine million, four hundred twenty-one thousand, nine hundred twenty".