Search a number
-
+
3780942 = 231157287
BaseRepresentation
bin1110011011000101001110
321010002110220
432123011032
51431442232
6213012210
744065104
oct16330516
97102426
103780942
112152750
121324066
13a24c59
14705c74
154ea42c
hex39b14e

3780942 has 16 divisors (see below), whose sum is σ = 8249472. Its totient is φ = 1145720.

The previous prime is 3780941. The next prime is 3780949. The reversal of 3780942 is 2490873.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28578 + ... + 28709.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 23780942 is an apocalyptic number.

3780942 is an abundant number, since it is smaller than the sum of its proper divisors (4468530).

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

3780942 is a wasteful number, since it uses less digits than its factorization.

3780942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57303.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3780942 is about 1944.4644506907. The cubic root of 3780942 is about 155.7877620058.

The spelling of 3780942 in words is "three million, seven hundred eighty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 57287 114574 171861 343722 630157 1260314 1890471 3780942