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2400130 = 25389617
BaseRepresentation
bin1001001001111110000010
311111221100201
421021332002
51103301010
6123235414
726254315
oct11117602
94457321
102400130
11139a287
12978b6a
136605c5
1446697c
1532623a
hex249f82

2400130 has 16 divisors (see below), whose sum is σ = 4338360. Its totient is φ = 956032.

The previous prime is 2400109. The next prime is 2400143. The reversal of 2400130 is 310042.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 1495729 = 951^2 + 1223^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582 + ... + 4198.

22400130 is an apocalyptic number.

2400130 is a deficient number, since it is larger than the sum of its proper divisors (1938230).

2400130 is a wasteful number, since it uses less digits than its factorization.

2400130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2400130 is about 1549.2352952344. The cubic root of 2400130 is about 133.8890073696.

Adding to 2400130 its reverse (310042), we get a palindrome (2710172).

The spelling of 2400130 in words is "two million, four hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 389 617 778 1234 1945 3085 3890 6170 240013 480026 1200065 2400130