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1339488 = 25324651
BaseRepresentation
bin101000111000001100000
32112001102200
411013001200
5320330423
644413200
714246133
oct5070140
92461380
101339488
11835417
12547200
1337b8c7
1426c21a
151b6d43
hex147060

1339488 has 36 divisors (see below), whose sum is σ = 3809988. Its totient is φ = 446400.

The previous prime is 1339487. The next prime is 1339523. The reversal of 1339488 is 8849331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2038 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (105833).

21339488 is an apocalyptic number.

1339488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1339488 is an abundant number, since it is smaller than the sum of its proper divisors (2470500).

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

1339488 is a wasteful number, since it uses less digits than its factorization.

1339488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4656 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1339488 is about 1157.3625188332. The cubic root of 1339488 is about 110.2333338992.

It can be divided in two parts, 133948 and 8, that added together give a square (133956 = 3662).

The spelling of 1339488 in words is "one million, three hundred thirty-nine thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 4651 9302 13953 18604 27906 37208 41859 55812 74416 83718 111624 148832 167436 223248 334872 446496 669744 1339488