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1307420808 = 233476119001
BaseRepresentation
bin100110111101101…
…1010100010001000
310101010010212011220
41031323122202020
510134144431213
6333422322040
744253615321
oct11573324210
93333125156
101307420808
11611006671
12305a29320
1317ab358a5
14c58d3448
1579ba8e23
hex4deda888

1307420808 has 64 divisors (see below), whose sum is σ = 3392997120. Its totient is φ = 419520000.

The previous prime is 1307420771. The next prime is 1307420813. The reversal of 1307420808 is 8080247031.

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, 59308 + ... + 78308.

It is an arithmetic number, because the mean of its divisors is an integer number (53015580).

Almost surely, 21307420808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1307420808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696498560).

1307420808 is an abundant number, since it is smaller than the sum of its proper divisors (2085576312).

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

1307420808 is a wasteful number, since it uses less digits than its factorization.

1307420808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118 (or 19114 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1307420808 is about 36158.2744057290. The cubic root of 1307420808 is about 1093.4656151500.

Adding to 1307420808 its reverse (8080247031), we get a palindrome (9387667839).

The spelling of 1307420808 in words is "one billion, three hundred seven million, four hundred twenty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 47 61 94 122 141 183 188 244 282 366 376 488 564 732 1128 1464 2867 5734 8601 11468 17202 19001 22936 34404 38002 57003 68808 76004 114006 152008 228012 456024 893047 1159061 1786094 2318122 2679141 3477183 3572188 4636244 5358282 6954366 7144376 9272488 10716564 13908732 21433128 27817464 54475867 108951734 163427601 217903468 326855202 435806936 653710404 1307420808