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54923203449 = 3219124092
BaseRepresentation
bin110011001001101011…
…011001001101111001
312020202200200211010100
4303021223121031321
51344440320002244
641121550510013
73653022345402
oct631153311571
9166680624110
1054923203449
1121324797734
12a789805309
135243a2036a
1429305209a9
151666bcbb69
hexcc9ad9379

54923203449 has 27 divisors (see below), whose sum is σ = 79946516559. Its totient is φ = 36334709280.

The previous prime is 54923203381. The next prime is 54923203477. The reversal of 54923203449 is 94430232945.

The square root of 54923203449 is 234357.

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

54923203449 is a `hidden beast` number, since 549 + 2 + 32 + 0 + 34 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50195265849 + 4727937600 = 224043^2 + 68760^2 .

It is not a de Polignac number, because 54923203449 - 29 = 54923202937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54923203549) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 134286357 + ... + 134286765.

Almost surely, 254923203449 is an apocalyptic number.

54923203449 is the 234357-th square number.

54923203449 is the 117179-th centered octagonal number.

It is an amenable number.

54923203449 is a deficient number, since it is larger than the sum of its proper divisors (25023313110).

54923203449 is an frugal number, since it uses more digits than its factorization.

54923203449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 54923203449 in words is "fifty-four billion, nine hundred twenty-three million, two hundred three thousand, four hundred forty-nine".

Divisors: 1 3 9 191 409 573 1227 1719 3681 36481 78119 109443 167281 234357 328329 501843 703071 1505529 14920729 31950671 44762187 95852013 134286561 287556039 6102578161 18307734483 54923203449