[go: up one dir, main page]

Search a number
-
+
2430431320 = 23560760783
BaseRepresentation
bin1001000011011101…
…0111000001011000
320021101021200222211
42100313113001120
514434142300240
61041100324504
7114141216412
oct22067270130
96241250884
102430431320
111037a08029
12579b43734
132c96b2055
14190b019b2
15e3587bea
hex90dd7058

2430431320 has 16 divisors (see below), whose sum is σ = 5468470560. Its totient is φ = 972172512.

The previous prime is 2430431293. The next prime is 2430431323. The reversal of 2430431320 is 231340342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2430431291 and 2430431300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430431323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30380352 + ... + 30380431.

It is an arithmetic number, because the mean of its divisors is an integer number (341779410).

Almost surely, 22430431320 is an apocalyptic number.

2430431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430431320 is an abundant number, since it is smaller than the sum of its proper divisors (3038039240).

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

2430431320 is a wasteful number, since it uses less digits than its factorization.

2430431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60760794 (or 60760790 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2430431320 is about 49299.4048645620. The cubic root of 2430431320 is about 1344.5009632735.

Adding to 2430431320 its reverse (231340342), we get a palindrome (2661771662).

The spelling of 2430431320 in words is "two billion, four hundred thirty million, four hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 60760783 121521566 243043132 303803915 486086264 607607830 1215215660 2430431320