Search a number
-
+
1385274 = 2311139151
BaseRepresentation
bin101010010001100111010
32121101020110
411102030322
5323312044
645405150
714526462
oct5221472
92541213
101385274
11866860
125697b6
133966b7
14280ba2
151c56b9
hex15233a

1385274 has 32 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 414000.

The previous prime is 1385273. The next prime is 1385287. The reversal of 1385274 is 4725831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1385273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9099 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

21385274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1385274 is an abundant number, since it is smaller than the sum of its proper divisors (1679046).

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

1385274 is a wasteful number, since it uses less digits than its factorization.

1385274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its digits is 6720, while the sum is 30.

The square root of 1385274 is about 1176.9766352821. The cubic root of 1385274 is about 111.4752772175.

The spelling of 1385274 in words is "one million, three hundred eighty-five thousand, two hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 139 151 278 302 417 453 834 906 1529 1661 3058 3322 4587 4983 9174 9966 20989 41978 62967 125934 230879 461758 692637 1385274