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1438125 = 3541359
BaseRepresentation
bin101011111000110101101
32201001201220
411133012231
5332010000
650453553
715136533
oct5370655
92631656
101438125
118a2537
125942b9
133b4780
14296153
151d61a0
hex15f1ad

1438125 has 40 divisors (see below), whose sum is σ = 2624160. Its totient is φ = 696000.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438125 is 5218341.

It is not a de Polignac number, because 1438125 - 21 = 1438123 is a prime.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (960) is a multiple of the sum of its prime divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1438095 and 1438104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24346 + ... + 24404.

It is an arithmetic number, because the mean of its divisors is an integer number (65604).

21438125 is an apocalyptic number.

1438125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1438125 is a deficient number, since it is larger than the sum of its proper divisors (1186035).

1438125 is an equidigital number, since it uses as much as digits as its factorization.

1438125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 80 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1438125 is about 1199.2184955211. The cubic root of 1438125 is about 112.8752898845.

The spelling of 1438125 in words is "one million, four hundred thirty-eight thousand, one hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 59 65 75 125 177 195 295 325 375 625 767 885 975 1475 1625 1875 2301 3835 4425 4875 7375 8125 11505 19175 22125 24375 36875 57525 95875 110625 287625 479375 1438125