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64248432 = 2435472447
BaseRepresentation
bin1111010100010…
…1101001110000
311110220011021120
43311011221300
5112421422212
610213022240
71410050133
oct365055160
9143804246
1064248432
11332a2886
1219624980
1310406931
14876621a
15599188c
hex3d45a70

64248432 has 40 divisors (see below), whose sum is σ = 166346496. Its totient is φ = 21368256.

The previous prime is 64248419. The next prime is 64248439. The reversal of 64248432 is 23484246.

64248432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×642484322 = 8255722028917248, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64248393 and 64248402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64248439) by changing a digit.

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, 25033 + ... + 27479.

Almost surely, 264248432 is an apocalyptic number.

It is an amenable number.

64248432 is an abundant number, since it is smaller than the sum of its proper divisors (102098064).

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

64248432 is a wasteful number, since it uses less digits than its factorization.

64248432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005 (or 2999 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 64248432 is about 8015.5119611913. The cubic root of 64248432 is about 400.5168984190.

The spelling of 64248432 in words is "sixty-four million, two hundred forty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 547 1094 1641 2188 2447 3282 4376 4894 6564 7341 8752 9788 13128 14682 19576 26256 29364 39152 58728 117456 1338509 2677018 4015527 5354036 8031054 10708072 16062108 21416144 32124216 64248432