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54909211 = 723615591
BaseRepresentation
bin1101000101110…
…1100100011011
310211022200021111
43101131210123
5103024043321
65240521151
71234502110
oct321354433
9124280244
1054909211
1128aa4115
12164801b7
13b4b6a76
147414907
154c495e1
hex345d91b

54909211 has 16 divisors (see below), whose sum is σ = 66567168. Its totient is φ = 44272800.

The previous prime is 54909203. The next prime is 54909229. The reversal of 54909211 is 11290945.

It is a cyclic number.

It is not a de Polignac number, because 54909211 - 23 = 54909203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54909241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (4160448).

Almost surely, 254909211 is an apocalyptic number.

54909211 is a deficient number, since it is larger than the sum of its proper divisors (11657957).

54909211 is a wasteful number, since it uses less digits than its factorization.

54909211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 54909211 is about 7410.0749658826. The cubic root of 54909211 is about 380.0858785589.

The spelling of 54909211 in words is "fifty-four million, nine hundred nine thousand, two hundred eleven".

Divisors: 1 7 23 61 161 427 1403 5591 9821 39137 128593 341051 900151 2387357 7844173 54909211