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5388487272 = 2332721527349
BaseRepresentation
bin1010000010010110…
…11100101001101000
3111220112101111220200
411001023130221220
542013423043042
62250405552200
7250350246300
oct50113345150
914815344820
105388487272
11231572a273
121064715660
1367b49bc0c
1439190a600
152180e3c4c
hex1412dca68

5388487272 has 72 divisors (see below), whose sum is σ = 16976495250. Its totient is φ = 1539566784.

The previous prime is 5388487249. The next prime is 5388487283. The reversal of 5388487272 is 2727848835.

5388487272 is a `hidden beast` number, since 538 + 8 + 4 + 87 + 27 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4589520516 + 798966756 = 67746^2 + 28266^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 760147 + ... + 767202.

Almost surely, 25388487272 is an apocalyptic number.

It is an amenable number.

5388487272 is an abundant number, since it is smaller than the sum of its proper divisors (11588007978).

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

5388487272 is a wasteful number, since it uses less digits than its factorization.

5388487272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527375 (or 1527361 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 5388487272 is about 73406.3162949892. The cubic root of 5388487272 is about 1753.1629624616.

The spelling of 5388487272 in words is "five billion, three hundred eighty-eight million, four hundred eighty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 3528 1527349 3054698 4582047 6109396 9164094 10691443 12218792 13746141 18328188 21382886 27492282 32074329 36656376 42765772 54984564 64148658 74840101 85531544 96222987 109969128 128297316 149680202 192445974 224520303 256594632 299360404 384891948 449040606 598720808 673560909 769783896 898081212 1347121818 1796162424 2694243636 5388487272