Search a number
-
+
1341230520 = 233571924423
BaseRepresentation
bin100111111110001…
…1000110110111000
310110110202120101110
41033330120312320
510221323334040
6341031120320
745144162030
oct11774306670
93413676343
101341230520
116290a9383
123152130a0
13184b42936
14ca1b48c0
157cb36980
hex4ff18db8

1341230520 has 192 divisors, whose sum is σ = 4854366720. Its totient is φ = 290366208.

The previous prime is 1341230507. The next prime is 1341230567. The reversal of 1341230520 is 250321431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301029 + ... + 305451.

It is an arithmetic number, because the mean of its divisors is an integer number (25283160).

Almost surely, 21341230520 is an apocalyptic number.

1341230520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2427183360).

1341230520 is an abundant number, since it is smaller than the sum of its proper divisors (3513136200).

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

1341230520 is a wasteful number, since it uses less digits than its factorization.

1341230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1341230520 is about 36622.8142009868. The cubic root of 1341230520 is about 1102.8111348770.

Adding to 1341230520 its reverse (250321431), we get a palindrome (1591551951).

The spelling of 1341230520 in words is "one billion, three hundred forty-one million, two hundred thirty thousand, five hundred twenty".