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27072424 = 2331173631
BaseRepresentation
bin110011101000…
…1011110101000
31212221102101101
41213101132220
523412304144
62404131144
7446053231
oct147213650
955842341
1027072424
1114310a05
129096ab4
1357bb5b2
14384a088
15259b6d4
hex19d17a8

27072424 has 32 divisors (see below), whose sum is σ = 52784640. Its totient is φ = 13003200.

The previous prime is 27072407. The next prime is 27072443. The reversal of 27072424 is 42427072.

It is a super-2 number, since 2×270724242 = 1465832282471552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27072392 and 27072401.

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 7 ways as a sum of consecutive naturals, for example, 42589 + ... + 43219.

It is an arithmetic number, because the mean of its divisors is an integer number (1649520).

Almost surely, 227072424 is an apocalyptic number.

It is an amenable number.

27072424 is a deficient number, since it is larger than the sum of its proper divisors (25712216).

27072424 is a wasteful number, since it uses less digits than its factorization.

27072424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 27072424 is about 5203.1167582517. The cubic root of 27072424 is about 300.2679975568.

Adding to 27072424 its reverse (42427072), we get a palindrome (69499496).

The spelling of 27072424 in words is "twenty-seven million, seventy-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 31 62 124 173 248 346 631 692 1262 1384 2524 5048 5363 10726 19561 21452 39122 42904 78244 109163 156488 218326 436652 873304 3384053 6768106 13536212 27072424