Search a number
-
+
12358040 = 235308951
BaseRepresentation
bin101111001001…
…000110011000
3212020212001012
4233021012120
511130424130
61120513052
7210020162
oct57110630
925225035
1012358040
116a80862
12417b788
132738c66
1418d9932
151141995
hexbc9198

12358040 has 16 divisors (see below), whose sum is σ = 27805680. Its totient is φ = 4943200.

The previous prime is 12358033. The next prime is 12358067. The reversal of 12358040 is 4085321.

It is a junction number, because it is equal to n+sod(n) for n = 12357997 and 12358015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154436 + ... + 154515.

It is an arithmetic number, because the mean of its divisors is an integer number (1737855).

Almost surely, 212358040 is an apocalyptic number.

12358040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12358040 is an abundant number, since it is smaller than the sum of its proper divisors (15447640).

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

12358040 is a wasteful number, since it uses less digits than its factorization.

12358040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308962 (or 308958 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12358040 is about 3515.4004039369. The cubic root of 12358040 is about 231.1975347255.

The spelling of 12358040 in words is "twelve million, three hundred fifty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 308951 617902 1235804 1544755 2471608 3089510 6179020 12358040