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3680887217 = 74113992269
BaseRepresentation
bin1101101101100101…
…1110000110110001
3100111112020110000012
43123121132012301
530014301342332
61405130104305
7160134011420
oct33331360661
910445213005
103680887217
111619846057
1286887b095
13468791297
1426cc072b7
1516823d3b2
hexdb65e1b1

3680887217 has 16 divisors (see below), whose sum is σ = 4340380800. Its totient is φ = 3055916160.

The previous prime is 3680887201. The next prime is 3680887267. The reversal of 3680887217 is 7127880863.

It is a cyclic number.

It is not a de Polignac number, because 3680887217 - 24 = 3680887201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3680887267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6242 + ... + 86027.

It is an arithmetic number, because the mean of its divisors is an integer number (271273800).

Almost surely, 23680887217 is an apocalyptic number.

It is an amenable number.

3680887217 is a deficient number, since it is larger than the sum of its proper divisors (659493583).

3680887217 is a wasteful number, since it uses less digits than its factorization.

3680887217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92456.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 3680887217 is about 60670.3157812781. The cubic root of 3680887217 is about 1544.0125887420.

The spelling of 3680887217 in words is "three billion, six hundred eighty million, eight hundred eighty-seven thousand, two hundred seventeen".

Divisors: 1 7 41 139 287 973 5699 39893 92269 645883 3783029 12825391 26481203 89777737 525841031 3680887217