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7264493824 = 28727612
BaseRepresentation
bin1101100001111111…
…10110000100000000
3200202021102112002211
412300333312010000
5104334202300244
63200503151504
7345010115200
oct66077660400
920667375084
107264493824
113098687805
1214a8a45594
138ba051773
144ccb2a400
152c7b62934
hex1b0ff6100

7264493824 has 81 divisors (see below), whose sum is σ = 16890252141. Its totient is φ = 3109263360.

The previous prime is 7264493807. The next prime is 7264493851. The reversal of 7264493824 is 4283944627.

The square root of 7264493824 is 85232.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 7245414400 = 4368^2 + 85120^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9545604 + ... + 9546364.

Almost surely, 27264493824 is an apocalyptic number.

7264493824 is the 85232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7264493824

7264493824 is an abundant number, since it is smaller than the sum of its proper divisors (9625758317).

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

7264493824 is an frugal number, since it uses more digits than its factorization.

7264493824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 770 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The cubic root of 7264493824 is about 1936.7272044430.

Multiplying 7264493824 by its sum of digits (49), we get a square (355960197376 = 5966242).

7264493824 divided by its sum of digits (49) gives a square (148254976 = 121762).

The spelling of 7264493824 in words is "seven billion, two hundred sixty-four million, four hundred ninety-three thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 761 784 896 1522 1568 1792 3044 3136 5327 6088 6272 10654 12176 12544 21308 24352 37289 42616 48704 74578 85232 97408 149156 170464 194816 298312 340928 579121 596624 681856 1158242 1193248 1363712 2316484 2386496 4053847 4632968 4772992 8107694 9265936 9545984 16215388 18531872 28376929 32430776 37063744 56753858 64861552 74127488 113507716 129723104 148254976 227015432 259446208 454030864 518892416 908061728 1037784832 1816123456 3632246912 7264493824