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1400000 = 26557
BaseRepresentation
bin101010101110011000000
32122010102212
411111303000
5324300000
650001252
714620430
oct5256300
92563385
101400000
11876928
12576228
133a0304
142862c0
151c9c35
hex155cc0

1400000 has 84 divisors (see below), whose sum is σ = 3968496. Its totient is φ = 480000.

The previous prime is 1399999. The next prime is 1400017. The reversal of 1400000 is 41.

1400000 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199997 + ... + 200003.

It is an arithmetic number, because the mean of its divisors is an integer number (47244).

21400000 is an apocalyptic number.

1400000 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 1400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984248).

1400000 is an abundant number, since it is smaller than the sum of its proper divisors (2568496).

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

1400000 is an frugal number, since it uses more digits than its factorization.

1400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 1400000 is about 1183.2159566199. The cubic root of 1400000 is about 111.8688942081.

Adding to 1400000 its reverse (41), we get a palindrome (1400041).

The spelling of 1400000 in words is "one million, four hundred thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 140 160 175 200 224 250 280 320 350 400 448 500 560 625 700 800 875 1000 1120 1250 1400 1600 1750 2000 2240 2500 2800 3125 3500 4000 4375 5000 5600 6250 7000 8000 8750 10000 11200 12500 14000 17500 20000 21875 25000 28000 35000 40000 43750 50000 56000 70000 87500 100000 140000 175000 200000 280000 350000 700000 1400000