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54403007 = 347156781
BaseRepresentation
bin1100111110000…
…1111110111111
310210100221220012
43033201332333
5102411344012
65222013435
71230263231
oct317417677
9123327805
1054403007
112878886a
121627727b
13b36a539
147322251
154b99622
hex33e1fbf

54403007 has 4 divisors (see below), whose sum is σ = 54560136. Its totient is φ = 54245880.

The previous prime is 54403003. The next prime is 54403021. The reversal of 54403007 is 70030445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54403007 - 22 = 54403003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54403003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78044 + ... + 78737.

It is an arithmetic number, because the mean of its divisors is an integer number (13640034).

Almost surely, 254403007 is an apocalyptic number.

54403007 is a deficient number, since it is larger than the sum of its proper divisors (157129).

54403007 is a wasteful number, since it uses less digits than its factorization.

54403007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157128.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 54403007 is about 7375.8394098570. The cubic root of 54403007 is about 378.9142762055.

The spelling of 54403007 in words is "fifty-four million, four hundred three thousand, seven".

Divisors: 1 347 156781 54403007