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63157089 = 364132843
BaseRepresentation
bin1111000011101…
…1001101100001
311101211201020110
43300323031201
5112132011324
610133401533
71364553312
oct360731541
9141751213
1063157089
1132717946
12191992a9
1310113c78
148560609
155828329
hex3c3b361

63157089 has 8 divisors (see below), whose sum is σ = 84343392. Its totient is φ = 42037760.

The previous prime is 63157063. The next prime is 63157093. The reversal of 63157089 is 98075136.

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

It is a cyclic number.

It is not a de Polignac number, because 63157089 - 223 = 54768481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63157019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14499 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (10542924).

Almost surely, 263157089 is an apocalyptic number.

It is an amenable number.

63157089 is a deficient number, since it is larger than the sum of its proper divisors (21186303).

63157089 is a wasteful number, since it uses less digits than its factorization.

63157089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33487.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 63157089 is about 7947.1434490639. The cubic root of 63157089 is about 398.2361691003.

The spelling of 63157089 in words is "sixty-three million, one hundred fifty-seven thousand, eighty-nine".

Divisors: 1 3 641 1923 32843 98529 21052363 63157089