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1399941 = 32236763
BaseRepresentation
bin101010101110010000101
32122010100200
411111302011
5324244231
650001113
714620314
oct5256205
92563320
101399941
11876884
12576199
133a028a
1428627b
151c9be6
hex155c85

1399941 has 12 divisors (see below), whose sum is σ = 2110368. Its totient is φ = 892584.

The previous prime is 1399919. The next prime is 1399943. The reversal of 1399941 is 1499931.

It is not a de Polignac number, because 1399941 - 27 = 1399813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1399896 and 1399905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (175864).

21399941 is an apocalyptic number.

It is an amenable number.

1399941 is a deficient number, since it is larger than the sum of its proper divisors (710427).

1399941 is a wasteful number, since it uses less digits than its factorization.

1399941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792 (or 6789 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1399941 is about 1183.1910243067. The cubic root of 1399941 is about 111.8673226945.

The spelling of 1399941 in words is "one million, three hundred ninety-nine thousand, nine hundred forty-one".

Divisors: 1 3 9 23 69 207 6763 20289 60867 155549 466647 1399941