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54782049 = 372372667
BaseRepresentation
bin1101000011111…
…0100001100001
310211002012211210
43100332201201
5103011011144
65234100333
71233432300
oct320764141
9124065753
1054782049
1128a17623
121641a6a9
13b470c1a
1473c0437
154c21ab9
hex343e861

54782049 has 12 divisors (see below), whose sum is σ = 84968304. Its totient is φ = 31303944.

The previous prime is 54782033. The next prime is 54782051. The reversal of 54782049 is 94028745.

It is not a de Polignac number, because 54782049 - 24 = 54782033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54781998 and 54782016.

It is not an unprimeable number, because it can be changed into a prime (54782009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186187 + ... + 186480.

It is an arithmetic number, because the mean of its divisors is an integer number (7080692).

Almost surely, 254782049 is an apocalyptic number.

It is an amenable number.

54782049 is a deficient number, since it is larger than the sum of its proper divisors (30186255).

54782049 is a wasteful number, since it uses less digits than its factorization.

54782049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372684 (or 372677 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 54782049 is about 7401.4896473615. The cubic root of 54782049 is about 379.7922433133.

The spelling of 54782049 in words is "fifty-four million, seven hundred eighty-two thousand, forty-nine".

Divisors: 1 3 7 21 49 147 372667 1118001 2608669 7826007 18260683 54782049