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2438130 = 235671213
BaseRepresentation
bin1001010011001111110010
311120212111010
421103033302
51111010010
6124131350
726503152
oct11231762
94525433
102438130
111415892
12996b56
136749a6
14476762
15332620
hex2533f2

2438130 has 32 divisors (see below), whose sum is σ = 5943744. Its totient is φ = 639936.

The previous prime is 2438101. The next prime is 2438153. The reversal of 2438130 is 318342.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2438097 and 2438106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404 + ... + 2616.

It is an arithmetic number, because the mean of its divisors is an integer number (185742).

22438130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2438130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971872).

2438130 is an abundant number, since it is smaller than the sum of its proper divisors (3505614).

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

2438130 is a wasteful number, since it uses less digits than its factorization.

2438130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2438130 is about 1561.4512480382. The cubic root of 2438130 is about 134.5919089152.

The spelling of 2438130 in words is "two million, four hundred thirty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 1213 2010 2426 3639 6065 7278 12130 18195 36390 81271 162542 243813 406355 487626 812710 1219065 2438130