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1317144 = 23354881
BaseRepresentation
bin101000001100100011000
32110220210010
411001210120
5314122034
644121520
714124033
oct5014430
92426703
101317144
1181a654
125362a0
1337169a
1426401a
151b03e9
hex141918

1317144 has 16 divisors (see below), whose sum is σ = 3292920. Its totient is φ = 439040.

The previous prime is 1317131. The next prime is 1317157. The reversal of 1317144 is 4417131.

It is an interprime number because it is at equal distance from previous prime (1317131) and next prime (1317157).

It is a self number, because there is not a number n which added to its sum of digits gives 1317144.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27417 + ... + 27464.

21317144 is an apocalyptic number.

It is an amenable number.

1317144 is an abundant number, since it is smaller than the sum of its proper divisors (1975776).

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

1317144 is a wasteful number, since it uses less digits than its factorization.

1317144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54890 (or 54886 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 1317144 is about 1147.6689418121. The cubic root of 1317144 is about 109.6169597425.

The spelling of 1317144 in words is "one million, three hundred seventeen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 54881 109762 164643 219524 329286 439048 658572 1317144