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8415324138 = 2313107888771
BaseRepresentation
bin1111101011001011…
…11010011111101010
3210201110220202111210
413311211322133222
5114213310333023
63511013333550
7415353034464
oct76545723752
923643822453
108415324138
11362925a641
12176a3372b6
13a415bb750
1459b8db134
15343bd9593
hex1f597a7ea

8415324138 has 16 divisors (see below), whose sum is σ = 18125313696. Its totient is φ = 2589330480.

The previous prime is 8415324133. The next prime is 8415324191. The reversal of 8415324138 is 8314235148.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8415324096 and 8415324105.

It is not an unprimeable number, because it can be changed into a prime (8415324133) 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, 53944308 + ... + 53944463.

It is an arithmetic number, because the mean of its divisors is an integer number (1132832106).

Almost surely, 28415324138 is an apocalyptic number.

8415324138 is an abundant number, since it is smaller than the sum of its proper divisors (9709989558).

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

8415324138 is a wasteful number, since it uses less digits than its factorization.

8415324138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107888789.

The product of its digits is 92160, while the sum is 39.

The square root of 8415324138 is about 91735.0758325298. The cubic root of 8415324138 is about 2034.0281053925.

The spelling of 8415324138 in words is "eight billion, four hundred fifteen million, three hundred twenty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 107888771 215777542 323666313 647332626 1402554023 2805108046 4207662069 8415324138