Search a number
-
+
3487072 = 25108971
BaseRepresentation
bin1101010011010101100000
320120011100211
431103111200
51343041242
6202423504
741432251
oct15232540
96504324
103487072
111a71986
121201b94
13951274
1466ab28
1548d317
hex353560

3487072 has 12 divisors (see below), whose sum is σ = 6865236. Its totient is φ = 1743520.

The previous prime is 3487069. The next prime is 3487073. The reversal of 3487072 is 2707843.

It is a super-2 number, since 2×34870722 = 24319342266368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54454 + ... + 54517.

It is an arithmetic number, because the mean of its divisors is an integer number (572103).

Almost surely, 23487072 is an apocalyptic number.

3487072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3487072 is a deficient number, since it is larger than the sum of its proper divisors (3378164).

3487072 is a wasteful number, since it uses less digits than its factorization.

3487072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108981 (or 108973 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3487072 is about 1867.3703435580. The cubic root of 3487072 is about 151.6422797538.

The spelling of 3487072 in words is "three million, four hundred eighty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 108971 217942 435884 871768 1743536 3487072