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63291007 = 132487769
BaseRepresentation
bin1111000101101…
…1111001111111
311102002111221101
43301123321333
5112200303012
610140313531
71365651613
oct361337177
9142074841
1063291007
11327a951a
12192428a7
131015cc00
148597343
155852d57
hex3c5be7f

63291007 has 12 divisors (see below), whose sum is σ = 68764080. Its totient is φ = 58226688.

The previous prime is 63290987. The next prime is 63291023. The reversal of 63291007 is 70019236.

It is not a de Polignac number, because 63291007 - 219 = 62766719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63291077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81919 + ... + 82687.

It is an arithmetic number, because the mean of its divisors is an integer number (5730340).

Almost surely, 263291007 is an apocalyptic number.

63291007 is a deficient number, since it is larger than the sum of its proper divisors (5473073).

63291007 is a wasteful number, since it uses less digits than its factorization.

63291007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 63291007 is about 7955.5645305660. The cubic root of 63291007 is about 398.5174431014.

The spelling of 63291007 in words is "sixty-three million, two hundred ninety-one thousand, seven".

Divisors: 1 13 169 487 769 6331 9997 82303 129961 374503 4868539 63291007