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1295330 = 25129533
BaseRepresentation
bin100111100001111100010
32102210212012
410330033202
5312422310
643432522
714003321
oct4741742
92383765
101295330
11805223
12525742
1336478a
1425a0b8
151a8c05
hex13c3e2

1295330 has 8 divisors (see below), whose sum is σ = 2331612. Its totient is φ = 518128.

The previous prime is 1295323. The next prime is 1295339. The reversal of 1295330 is 335921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1234321 + 61009 = 1111^2 + 247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1295296 and 1295305.

It is not an unprimeable number, because it can be changed into a prime (1295339) 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 3 ways as a sum of consecutive naturals, for example, 64757 + ... + 64776.

21295330 is an apocalyptic number.

1295330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295330 is a deficient number, since it is larger than the sum of its proper divisors (1036282).

1295330 is a wasteful number, since it uses less digits than its factorization.

1295330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129540.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 1295330 is about 1138.1256521140. The cubic root of 1295330 is about 109.0084442017.

It can be divided in two parts, 1295 and 330, that multiplied together give a triangular number (427350 = T924).

The spelling of 1295330 in words is "one million, two hundred ninety-five thousand, three hundred thirty".

Divisors: 1 2 5 10 129533 259066 647665 1295330