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1296416 = 251129127
BaseRepresentation
bin100111100100000100000
32102212100102
410330200200
5312441131
643441532
714006432
oct4744040
92385312
101296416
11806020
125262a8
13365114
1425a652
151a91cb
hex13c820

1296416 has 48 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 564480.

The previous prime is 1296413. The next prime is 1296419. The reversal of 1296416 is 6146921.

It is an interprime number because it is at equal distance from previous prime (1296413) and next prime (1296419).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1296413) 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 7 ways as a sum of consecutive naturals, for example, 10145 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

21296416 is an apocalyptic number.

1296416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1296416 is an abundant number, since it is smaller than the sum of its proper divisors (1606624).

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

1296416 is a wasteful number, since it uses less digits than its factorization.

1296416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 169 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 1296416 is about 1138.6026523770. The cubic root of 1296416 is about 109.0388997875.

The spelling of 1296416 in words is "one million, two hundred ninety-six thousand, four hundred sixteen".

Divisors: 1 2 4 8 11 16 22 29 32 44 58 88 116 127 176 232 254 319 352 464 508 638 928 1016 1276 1397 2032 2552 2794 3683 4064 5104 5588 7366 10208 11176 14732 22352 29464 40513 44704 58928 81026 117856 162052 324104 648208 1296416