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52473917 = 173199571
BaseRepresentation
bin1100100000101…
…1000000111101
310122201221200102
43020023000331
5101413131132
65112410445
71205010116
oct310130075
9118657612
1052473917
1127690481
12156a6a25
13ab43472
146d7d20d
154917c62
hex320b03d

52473917 has 8 divisors (see below), whose sum is σ = 57353472. Its totient is φ = 47793600.

The previous prime is 52473871. The next prime is 52473919. The reversal of 52473917 is 71937425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52473917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52473919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49259 + ... + 50312.

It is an arithmetic number, because the mean of its divisors is an integer number (7169184).

Almost surely, 252473917 is an apocalyptic number.

It is an amenable number.

52473917 is a deficient number, since it is larger than the sum of its proper divisors (4879555).

52473917 is a wasteful number, since it uses less digits than its factorization.

52473917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99619.

The product of its digits is 52920, while the sum is 38.

The square root of 52473917 is about 7243.8882514848. Note that the first 3 decimals coincide. The cubic root of 52473917 is about 374.3815988480.

The spelling of 52473917 in words is "fifty-two million, four hundred seventy-three thousand, nine hundred seventeen".

Divisors: 1 17 31 527 99571 1692707 3086701 52473917