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1338970 = 25257521
BaseRepresentation
bin101000110111001011010
32112000201111
411012321122
5320321340
644410534
714244463
oct5067132
92460644
101338970
11834a96
12546a4a
1337b5b9
1426bd6a
151b6aea
hex146e5a

1338970 has 16 divisors (see below), whose sum is σ = 2424168. Its totient is φ = 532480.

The previous prime is 1338941. The next prime is 1338979. The reversal of 1338970 is 798331.

It can be written as a sum of positive squares in 4 ways, for example, as 1261129 + 77841 = 1123^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (1338979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 2830.

21338970 is an apocalyptic number.

1338970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338970 is a deficient number, since it is larger than the sum of its proper divisors (1085198).

1338970 is a wasteful number, since it uses less digits than its factorization.

1338970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1338970 is about 1157.1387125146. The cubic root of 1338970 is about 110.2191224420.

It can be divided in two parts, 13 and 38970, that added together give a palindrome (38983).

The spelling of 1338970 in words is "one million, three hundred thirty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 257 514 521 1042 1285 2570 2605 5210 133897 267794 669485 1338970