Search a number
-
+
1339341885 = 3557157477
BaseRepresentation
bin100111111010100…
…1011110000111101
310110100012121200000
41033311023300331
510220332420020
6340522424513
745122134560
oct11765136075
93410177600
101339341885
11628029422
12314662139
131846310bb
14c9c424d7
157c8b2090
hex4fd4bc3d

1339341885 has 48 divisors (see below), whose sum is σ = 2751455616. Its totient is φ = 612266688.

The previous prime is 1339341881. The next prime is 1339341893. The reversal of 1339341885 is 5881439331.

It is not a de Polignac number, because 1339341885 - 22 = 1339341881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1339341885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339341881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70234 + ... + 87243.

It is an arithmetic number, because the mean of its divisors is an integer number (57321992).

Almost surely, 21339341885 is an apocalyptic number.

1339341885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1339341885 is an abundant number, since it is smaller than the sum of its proper divisors (1412113731).

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

1339341885 is an equidigital number, since it uses as much as digits as its factorization.

1339341885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157504 (or 157492 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1339341885 is about 36597.0201655818. The cubic root of 1339341885 is about 1102.2932556937.

It can be divided in two parts, 13393 and 41885, that added together give a triangular number (55278 = T332).

The spelling of 1339341885 in words is "one billion, three hundred thirty-nine million, three hundred forty-one thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 945 1215 1701 2835 8505 157477 472431 787385 1102339 1417293 2362155 3307017 4251879 5511695 7086465 9921051 12755637 16535085 21259395 29763153 38266911 49605255 63778185 89289459 148815765 191334555 267868377 446447295 1339341885