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63630245 = 57472823
BaseRepresentation
bin1111001010111…
…0101110100101
311102201202021202
43302232232211
5112242131440
610151452245
71401563630
oct362565645
9142652252
1063630245
1132a10388
1219387085
131024b443
148644c17
1558bd615
hex3caeba5

63630245 has 24 divisors (see below), whose sum is σ = 89268864. Its totient is φ = 42651936.

The previous prime is 63630241. The next prime is 63630247. The reversal of 63630245 is 54203636.

It is not a de Polignac number, because 63630245 - 22 = 63630241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63630241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76904 + ... + 77726.

It is an arithmetic number, because the mean of its divisors is an integer number (3719536).

Almost surely, 263630245 is an apocalyptic number.

It is an amenable number.

63630245 is a deficient number, since it is larger than the sum of its proper divisors (25638619).

63630245 is an equidigital number, since it uses as much as digits as its factorization.

63630245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 63630245 is about 7976.8568371258. The cubic root of 63630245 is about 399.2281888099.

The spelling of 63630245 in words is "sixty-three million, six hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 7 35 47 235 329 823 1645 2209 4115 5761 11045 15463 28805 38681 77315 193405 270767 1353835 1818007 9090035 12726049 63630245