Search a number
-
+
1401946 = 27137703
BaseRepresentation
bin101010110010001011010
32122020002221
411112101122
5324330241
650014254
714626210
oct5262132
92566087
101401946
11878337
1257738a
133a1170
14286cb0
151ca5d1
hex15645a

1401946 has 16 divisors (see below), whose sum is σ = 2588544. Its totient is φ = 554544.

The previous prime is 1401943. The next prime is 1401949. The reversal of 1401946 is 6491041.

It is an interprime number because it is at equal distance from previous prime (1401943) and next prime (1401949).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401943) 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, 3670 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (161784).

21401946 is an apocalyptic number.

1401946 is a deficient number, since it is larger than the sum of its proper divisors (1186598).

1401946 is a wasteful number, since it uses less digits than its factorization.

1401946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1401946 is about 1184.0380061468. The cubic root of 1401946 is about 111.9207027986.

Adding to 1401946 its reverse (6491041), we get a palindrome (7892987).

The spelling of 1401946 in words is "one million, four hundred one thousand, nine hundred forty-six".

Divisors: 1 2 7 13 14 26 91 182 7703 15406 53921 100139 107842 200278 700973 1401946