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545444107 = 13113371303
BaseRepresentation
bin100000100000101…
…101000100001011
31102000100102122121
4200200231010023
52104113202412
6130042432111
716342125025
oct4040550413
91360312577
10545444107
1125a98625a
12132802637
13890068c0
1452625015
1532d43107
hex2082d10b

545444107 has 8 divisors (see below), whose sum is σ = 592601184. Its totient is φ = 499029888.

The previous prime is 545444089. The next prime is 545444117. The reversal of 545444107 is 701444545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545444107 - 27 = 545443979 is a prime.

It is a super-2 number, since 2×5454441072 = 595018547722054898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545444117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184183 + ... + 187120.

It is an arithmetic number, because the mean of its divisors is an integer number (74075148).

Almost surely, 2545444107 is an apocalyptic number.

545444107 is a deficient number, since it is larger than the sum of its proper divisors (47157077).

545444107 is a wasteful number, since it uses less digits than its factorization.

545444107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371429.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 545444107 is about 23354.7448498159. The cubic root of 545444107 is about 817.0527285520.

The spelling of 545444107 in words is "five hundred forty-five million, four hundred forty-four thousand, one hundred seven".

Divisors: 1 13 113 1469 371303 4826939 41957239 545444107