Search a number
-
+
383380542 = 23272729297
BaseRepresentation
bin10110110110011…
…110110000111110
3222201101202020100
4112312132300332
51241121134132
6102013101530
712333452346
oct2666366076
9881352210
10383380542
11187454526
12a84878a6
1361572abc
1438cb9d26
15239ce37c
hex16d9ec3e

383380542 has 24 divisors (see below), whose sum is σ = 831828816. Its totient is φ = 127613376.

The previous prime is 383380541. The next prime is 383380567. The reversal of 383380542 is 245083383.

383380542 is a `hidden beast` number, since 3 + 8 + 33 + 80 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 383380497 and 383380506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383380541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1563 + ... + 27734.

It is an arithmetic number, because the mean of its divisors is an integer number (34659534).

Almost surely, 2383380542 is an apocalyptic number.

383380542 is an abundant number, since it is smaller than the sum of its proper divisors (448448274).

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

383380542 is a wasteful number, since it uses less digits than its factorization.

383380542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032 (or 30029 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 383380542 is about 19580.1057709094. The cubic root of 383380542 is about 726.4571830671.

The spelling of 383380542 in words is "three hundred eighty-three million, three hundred eighty thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 727 1454 2181 4362 6543 13086 29297 58594 87891 175782 263673 527346 21298919 42597838 63896757 127793514 191690271 383380542