Search a number
-
+
4147040 = 25525919
BaseRepresentation
bin1111110100011101100000
321210200200002
433310131200
52030201130
6224515132
750151332
oct17643540
97720602
104147040
112382807
12147baa8
13b22791
1479d452
1556db45
hex3f4760

4147040 has 24 divisors (see below), whose sum is σ = 9797760. Its totient is φ = 1658752.

The previous prime is 4147037. The next prime is 4147043. The reversal of 4147040 is 407414.

It is an interprime number because it is at equal distance from previous prime (4147037) and next prime (4147043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4147043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12800 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 24147040 is an apocalyptic number.

4147040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4147040 is an abundant number, since it is smaller than the sum of its proper divisors (5650720).

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

4147040 is a wasteful number, since it uses less digits than its factorization.

4147040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25934 (or 25926 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4147040 is about 2036.4282457283. The cubic root of 4147040 is about 160.6618418421.

The spelling of 4147040 in words is "four million, one hundred forty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 25919 51838 103676 129595 207352 259190 414704 518380 829408 1036760 2073520 4147040