Search a number
-
+
7413620 = 225419041
BaseRepresentation
bin11100010001111101110100
3111221122120112
4130101331310
53344213440
6422522152
7120005024
oct34217564
914848515
107413620
114203a65
122596358
1316c7576
14dada84
159b6965
hex711f74

7413620 has 24 divisors (see below), whose sum is σ = 15950088. Its totient is φ = 2892800.

The previous prime is 7413599. The next prime is 7413641. The reversal of 7413620 is 263147.

It is an interprime number because it is at equal distance from previous prime (7413599) and next prime (7413641).

It can be written as a sum of positive squares in 4 ways, for example, as 1073296 + 6340324 = 1036^2 + 2518^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (664587).

Almost surely, 27413620 is an apocalyptic number.

It is an amenable number.

7413620 is an abundant number, since it is smaller than the sum of its proper divisors (8536468).

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

7413620 is a wasteful number, since it uses less digits than its factorization.

7413620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091 (or 9089 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7413620 is about 2722.7963566892. The cubic root of 7413620 is about 194.9889978452.

Adding to 7413620 its reverse (263147), we get a palindrome (7676767).

The spelling of 7413620 in words is "seven million, four hundred thirteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 9041 18082 36164 45205 90410 180820 370681 741362 1482724 1853405 3706810 7413620