Search a number
-
+
3781472 = 25118171
BaseRepresentation
bin1110011011001101100000
321010010012112
432123031200
51432001342
6213014452
744066462
oct16331540
97103175
103781472
112153092
121324428
13a25276
14706132
154ea682
hex39b360

3781472 has 12 divisors (see below), whose sum is σ = 7444836. Its totient is φ = 1890720.

The previous prime is 3781457. The next prime is 3781489. The reversal of 3781472 is 2741873.

It is a happy number.

3781472 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 118171 = 3781472 / (3 + 7 + 8 + 1 + 4 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59054 + ... + 59117.

It is an arithmetic number, because the mean of its divisors is an integer number (620403).

Almost surely, 23781472 is an apocalyptic number.

3781472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3781472 is a deficient number, since it is larger than the sum of its proper divisors (3663364).

3781472 is a wasteful number, since it uses less digits than its factorization.

3781472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118181 (or 118173 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3781472 is about 1944.6007302272. The cubic root of 3781472 is about 155.7950409375.

The spelling of 3781472 in words is "three million, seven hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 118171 236342 472684 945368 1890736 3781472