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1296630 = 232514407
BaseRepresentation
bin100111100100011110110
32102212122100
410330203312
5312443010
643442530
714010156
oct4744366
92385570
101296630
118061a5
12526446
1336524a
1425a766
151a92c0
hex13c8f6

1296630 has 24 divisors (see below), whose sum is σ = 3371472. Its totient is φ = 345744.

The previous prime is 1296629. The next prime is 1296649. The reversal of 1296630 is 366921.

It is a happy number.

1296630 is a `hidden beast` number, since 1 + 29 + 6 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1296594 and 1296603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7114 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (140478).

21296630 is an apocalyptic number.

1296630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1296630 is an abundant number, since it is smaller than the sum of its proper divisors (2074842).

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

1296630 is a wasteful number, since it uses less digits than its factorization.

1296630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14420 (or 14417 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1296630 is about 1138.6966233374. The cubic root of 1296630 is about 109.0448991583.

It can be divided in two parts, 12966 and 30, that added together give a square (12996 = 1142).

The spelling of 1296630 in words is "one million, two hundred ninety-six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 14407 28814 43221 72035 86442 129663 144070 216105 259326 432210 648315 1296630