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74489452 = 2221298747
BaseRepresentation
bin1000111000010…
…01111001101100
312012011110022121
410130021321230
5123032130302
611220322324
71563102262
oct434117154
9165143277
1074489452
1139058034
1220b433a4
13125810cb
149c70432
156815e37
hex4709e6c

74489452 has 12 divisors (see below), whose sum is σ = 130432680. Its totient is φ = 37222976.

The previous prime is 74489381. The next prime is 74489489. The reversal of 74489452 is 25498447.

It is a junction number, because it is equal to n+sod(n) for n = 74489399 and 74489408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4143 + ... + 12889.

It is an arithmetic number, because the mean of its divisors is an integer number (10869390).

Almost surely, 274489452 is an apocalyptic number.

It is an amenable number.

74489452 is a deficient number, since it is larger than the sum of its proper divisors (55943228).

74489452 is a wasteful number, since it uses less digits than its factorization.

74489452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880 (or 10878 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 74489452 is about 8630.7271999525. The cubic root of 74489452 is about 420.7572355906.

It can be divided in two parts, 7448 and 9452, that added together give a square (16900 = 1302).

The spelling of 74489452 in words is "seventy-four million, four hundred eighty-nine thousand, four hundred fifty-two".

Divisors: 1 2 4 2129 4258 8516 8747 17494 34988 18622363 37244726 74489452