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1406860 = 225713773
BaseRepresentation
bin101010111011110001100
32122110211221
411113132030
5330004420
650053124
714646430
oct5273614
92573757
101406860
11880aa4
1257a1a4
133a3480
142889c0
151cbcaa
hex15778c

1406860 has 48 divisors (see below), whose sum is σ = 3640896. Its totient is φ = 444672.

The previous prime is 1406857. The next prime is 1406861. The reversal of 1406860 is 686041.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406861) 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, 1434 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (75852).

21406860 is an apocalyptic number.

1406860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820448).

1406860 is an abundant number, since it is smaller than the sum of its proper divisors (2234036).

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

1406860 is a wasteful number, since it uses less digits than its factorization.

1406860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1406860 is about 1186.1112932605. Note that the first 3 decimals coincide. The cubic root of 1406860 is about 112.0513157704.

It can be divided in two parts, 140 and 6860, that multiplied together give a square (960400 = 9802).

The spelling of 1406860 in words is "one million, four hundred six thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 773 910 1546 1820 3092 3865 5411 7730 10049 10822 15460 20098 21644 27055 40196 50245 54110 70343 100490 108220 140686 200980 281372 351715 703430 1406860