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1149472 = 25172113
BaseRepresentation
bin100011000101000100000
32011101210001
410120220200
5243240342
640345344
712525142
oct4305040
92141701
101149472
11715685
12475254
1331327c
1421cc92
1517a8b7
hex118a20

1149472 has 24 divisors (see below), whose sum is σ = 2397276. Its totient is φ = 540672.

The previous prime is 1149469. The next prime is 1149487. The reversal of 1149472 is 2749411.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 59536 = 1044^2 + 244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1149472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 1600.

21149472 is an apocalyptic number.

It is an amenable number.

1149472 is an abundant number, since it is smaller than the sum of its proper divisors (1247804).

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

1149472 is a wasteful number, since it uses less digits than its factorization.

1149472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2132 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1149472 is about 1072.1343199432. The cubic root of 1149472 is about 104.7529186573.

The spelling of 1149472 in words is "one million, one hundred forty-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 2113 4226 8452 16904 33808 35921 67616 71842 143684 287368 574736 1149472