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63680252 = 2215920063
BaseRepresentation
bin1111001011101…
…0111011111100
311102211021212212
43302322323330
5112300232002
610152515552
71402162466
oct362727374
9142737785
1063680252
1132a44a09
12193abbb8
131026812c
148659136
1558cd352
hex3cbaefc

63680252 has 6 divisors (see below), whose sum is σ = 111440448. Its totient is φ = 31840124.

The previous prime is 63680251. The next prime is 63680263. The reversal of 63680252 is 25208636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63680251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7960028 + ... + 7960035.

It is an arithmetic number, because the mean of its divisors is an integer number (18573408).

Almost surely, 263680252 is an apocalyptic number.

It is an amenable number.

63680252 is a deficient number, since it is larger than the sum of its proper divisors (47760196).

63680252 is a wasteful number, since it uses less digits than its factorization.

63680252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920067 (or 15920065 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 63680252 is about 7979.9907268117. The cubic root of 63680252 is about 399.3327458821.

Adding to 63680252 its reverse (25208636), we get a palindrome (88888888).

The spelling of 63680252 in words is "sixty-three million, six hundred eighty thousand, two hundred fifty-two".

Divisors: 1 2 4 15920063 31840126 63680252