Search a number
-
+
1402944 = 2637307
BaseRepresentation
bin101010110100001000000
32122021110220
411112201000
5324343234
650023040
714632134
oct5264100
92567426
101402944
11879064
12577a80
133a175a
142873c4
151caa49
hex156840

1402944 has 28 divisors (see below), whose sum is σ = 3712464. Its totient is φ = 467584.

The previous prime is 1402943. The next prime is 1402957. The reversal of 1402944 is 4492041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1402943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3462 + ... + 3845.

It is an arithmetic number, because the mean of its divisors is an integer number (132588).

21402944 is an apocalyptic number.

It is an amenable number.

1402944 is an abundant number, since it is smaller than the sum of its proper divisors (2309520).

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

1402944 is an equidigital number, since it uses as much as digits as its factorization.

1402944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322 (or 7312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1402944 is about 1184.4593703458. The cubic root of 1402944 is about 111.9472540750.

Adding to 1402944 its reverse (4492041), we get a palindrome (5894985).

It can be divided in two parts, 1402 and 944, that added together give a triangular number (2346 = T68).

The spelling of 1402944 in words is "one million, four hundred two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 7307 14614 21921 29228 43842 58456 87684 116912 175368 233824 350736 467648 701472 1402944