Search a number
-
+
407056 = 241319103
BaseRepresentation
bin1100011011000010000
3202200101011
41203120100
5101011211
612420304
73313516
oct1433020
9680334
10407056
11258911
12177694
13113380
14a84b6
1580921
hex63610

407056 has 40 divisors (see below), whose sum is σ = 902720. Its totient is φ = 176256.

The previous prime is 407047. The next prime is 407059. The reversal of 407056 is 650704.

It is not an unprimeable number, because it can be changed into a prime (407059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3901 + ... + 4003.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2407056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 407056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451360).

407056 is an abundant number, since it is smaller than the sum of its proper divisors (495664).

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

407056 is a wasteful number, since it uses less digits than its factorization.

407056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 407056 is about 638.0094043194. The cubic root of 407056 is about 74.1113492888. Note that the first 3 decimals are identical.

The spelling of 407056 in words is "four hundred seven thousand, fifty-six".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 103 104 152 206 208 247 304 412 494 824 988 1339 1648 1957 1976 2678 3914 3952 5356 7828 10712 15656 21424 25441 31312 50882 101764 203528 407056