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60491047 = 113535319
BaseRepresentation
bin1110011011000…
…0010100100111
311012211021010011
43212300110213
5110441203142
610000311051
71333110511
oct346602447
9135737104
1060491047
1131166901
1218312487
13c6bc626
148068bb1
15549d417
hex39b0527

60491047 has 4 divisors (see below), whose sum is σ = 61026480. Its totient is φ = 59955616.

The previous prime is 60491033. The next prime is 60491051. The reversal of 60491047 is 74019406.

60491047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74019406 = 237009703.

It is a cyclic number.

It is not a de Polignac number, because 60491047 - 27 = 60490919 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60491647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267547 + ... + 267772.

It is an arithmetic number, because the mean of its divisors is an integer number (15256620).

Almost surely, 260491047 is an apocalyptic number.

60491047 is a deficient number, since it is larger than the sum of its proper divisors (535433).

60491047 is a wasteful number, since it uses less digits than its factorization.

60491047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535432.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 60491047 is about 7777.5990511211. The cubic root of 60491047 is about 392.5518548877.

The spelling of 60491047 in words is "sixty million, four hundred ninety-one thousand, forty-seven".

Divisors: 1 113 535319 60491047