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1307341920 = 253531103853
BaseRepresentation
bin100110111101100…
…0111010001100000
310101002222211222010
41031323013101200
510134134420140
6333420512520
744253136323
oct11573072140
93332884863
101307341920
11610a62375
123059ab740
1317ab08a01
14c58b27ba
1579b90880
hex4dec7460

1307341920 has 192 divisors, whose sum is σ = 4297273344. Its totient is φ = 333711360.

The previous prime is 1307341913. The next prime is 1307341921. The reversal of 1307341920 is 291437031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307341921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532214 + ... + 1533066.

It is an arithmetic number, because the mean of its divisors is an integer number (22381632).

Almost surely, 21307341920 is an apocalyptic number.

1307341920 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 1307341920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148636672).

1307341920 is an abundant number, since it is smaller than the sum of its proper divisors (2989931424).

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

1307341920 is a wasteful number, since it uses less digits than its factorization.

1307341920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1307341920 is about 36157.1835186315. The cubic root of 1307341920 is about 1093.4436219632.

Adding to 1307341920 its reverse (291437031), we get a palindrome (1598778951).

The spelling of 1307341920 in words is "one billion, three hundred seven million, three hundred forty-one thousand, nine hundred twenty".