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1406916 = 223371861
BaseRepresentation
bin101010111011111000100
32122110221000
411113133010
5330010131
650053300
714646540
oct5273704
92573830
101406916
11881045
1257a230
133a34c4
14288a20
151cbce6
hex1577c4

1406916 has 48 divisors (see below), whose sum is σ = 4170880. Its totient is φ = 401760.

The previous prime is 1406897. The next prime is 1406927. The reversal of 1406916 is 6196041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1406916.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 1686.

21406916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085440).

1406916 is an abundant number, since it is smaller than the sum of its proper divisors (2763964).

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

1406916 is a wasteful number, since it uses less digits than its factorization.

1406916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1406916 is about 1186.1348995793. The cubic root of 1406916 is about 112.0528024833.

It can be divided in two parts, 140 and 6916, that added together give a square (7056 = 842).

The spelling of 1406916 in words is "one million, four hundred six thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1861 3722 5583 7444 11166 13027 16749 22332 26054 33498 39081 50247 52108 66996 78162 100494 117243 156324 200988 234486 351729 468972 703458 1406916