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2405124 = 223266809
BaseRepresentation
bin1001001011001100000100
311112012012200
421023030010
51103430444
6123314500
726305011
oct11131404
94465180
102405124
1113a3007
1297ba30
13662967
14468708
15327969
hex24b304

2405124 has 18 divisors (see below), whose sum is σ = 6079710. Its totient is φ = 801696.

The previous prime is 2405107. The next prime is 2405141. The reversal of 2405124 is 4215042.

It is an interprime number because it is at equal distance from previous prime (2405107) and next prime (2405141).

It can be written as a sum of positive squares in only one way, i.e., 1483524 + 921600 = 1218^2 + 960^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2405097 and 2405106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33369 + ... + 33440.

22405124 is an apocalyptic number.

It is an amenable number.

2405124 is an abundant number, since it is smaller than the sum of its proper divisors (3674586).

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

2405124 is a wasteful number, since it uses less digits than its factorization.

2405124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66819 (or 66814 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2405124 is about 1550.8462206163. The cubic root of 2405124 is about 133.9818049105.

The spelling of 2405124 in words is "two million, four hundred five thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 66809 133618 200427 267236 400854 601281 801708 1202562 2405124