Search a number
-
+
1381333848 = 23385967003
BaseRepresentation
bin101001001010101…
…0111101101011000
310120021020000210220
41102111113231120
510312110140343
6345022440040
746142100246
oct12225275530
93507200726
101381333848
116497aa624
12326733020
1319024450b
14d1653796
1581409183
hex52557b58

1381333848 has 32 divisors (see below), whose sum is σ = 3457406400. Its totient is φ = 459901728.

The previous prime is 1381333843. The next prime is 1381333907. The reversal of 1381333848 is 8483331831.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381333843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12886 + ... + 54117.

It is an arithmetic number, because the mean of its divisors is an integer number (108043950).

Almost surely, 21381333848 is an apocalyptic number.

It is an amenable number.

1381333848 is an abundant number, since it is smaller than the sum of its proper divisors (2076072552).

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

1381333848 is a wasteful number, since it uses less digits than its factorization.

1381333848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67871 (or 67867 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1381333848 is about 37166.2998965461. The cubic root of 1381333848 is about 1113.6948668294.

The spelling of 1381333848 in words is "one billion, three hundred eighty-one million, three hundred thirty-three thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 859 1718 2577 3436 5154 6872 10308 20616 67003 134006 201009 268012 402018 536024 804036 1608072 57555577 115111154 172666731 230222308 345333462 460444616 690666924 1381333848