Search a number
-
+
3072740 = 2251113967
BaseRepresentation
bin1011101110001011100100
312210010000012
423232023210
51241311430
6145505352
735055266
oct13561344
95703005
103072740
111809660
121042258
138377b8
1459db36
1540a695
hex2ee2e4

3072740 has 24 divisors (see below), whose sum is σ = 7039872. Its totient is φ = 1117280.

The previous prime is 3072709. The next prime is 3072749. The reversal of 3072740 is 472703.

It is a super-2 number, since 2×30727402 = 18883462215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3072749) 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, 6764 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

Almost surely, 23072740 is an apocalyptic number.

It is an amenable number.

3072740 is an abundant number, since it is smaller than the sum of its proper divisors (3967132).

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

3072740 is a wasteful number, since it uses less digits than its factorization.

3072740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987 (or 13985 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 3072740 is about 1752.9232727076. The cubic root of 3072740 is about 145.3813189655.

The spelling of 3072740 in words is "three million, seventy-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 13967 27934 55868 69835 139670 153637 279340 307274 614548 768185 1536370 3072740