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1331434 = 213411249
BaseRepresentation
bin101000101000011101010
32111122101101
411011003222
5320101214
644312014
714213506
oct5050352
92448341
101331434
1182a365
1254260a
13378040
14269306
151b4774
hex1450ea

1331434 has 16 divisors (see below), whose sum is σ = 2205000. Its totient is φ = 599040.

The previous prime is 1331431. The next prime is 1331437. The reversal of 1331434 is 4341331.

It is an interprime number because it is at equal distance from previous prime (1331431) and next prime (1331437).

It can be written as a sum of positive squares in 4 ways, for example, as 494209 + 837225 = 703^2 + 915^2 .

It is not an unprimeable number, because it can be changed into a prime (1331431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442 + ... + 1690.

21331434 is an apocalyptic number.

1331434 is a deficient number, since it is larger than the sum of its proper divisors (873566).

1331434 is a wasteful number, since it uses less digits than its factorization.

1331434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its digits is 432, while the sum is 19.

The square root of 1331434 is about 1153.8778098222. The cubic root of 1331434 is about 110.0119546236.

Adding to 1331434 its reverse (4341331), we get a palindrome (5672765).

It can be divided in two parts, 13314 and 34, that multiplied together give a triangular number (452676 = T951).

The spelling of 1331434 in words is "one million, three hundred thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 13 26 41 82 533 1066 1249 2498 16237 32474 51209 102418 665717 1331434