Search a number
-
+
6625940 = 2253110687
BaseRepresentation
bin11001010001101010010100
3110110122002012
4121101222110
53144012230
6354003352
7110214416
oct31215224
913418065
106625940
113816192
122276558
1314acb99
14c469b6
158ad395
hex651a94

6625940 has 24 divisors (see below), whose sum is σ = 14364672. Its totient is φ = 2564640.

The previous prime is 6625939. The next prime is 6625943. The reversal of 6625940 is 495266.

6625940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6625897 and 6625906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625943) 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, 4724 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (598528).

Almost surely, 26625940 is an apocalyptic number.

It is an amenable number.

6625940 is an abundant number, since it is smaller than the sum of its proper divisors (7738732).

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

6625940 is a wasteful number, since it uses less digits than its factorization.

6625940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727 (or 10725 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6625940 is about 2574.0901305121. The cubic root of 6625940 is about 187.8231700799.

The spelling of 6625940 in words is "six million, six hundred twenty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 10687 21374 42748 53435 106870 213740 331297 662594 1325188 1656485 3312970 6625940