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10019217 = 313256903
BaseRepresentation
bin100110001110…
…000110010001
3200212000210010
4212032012101
510031103332
6554425133
7151106355
oct46160621
920760703
1010019217
11572364a
1234321a9
1320ca540
14148b465
15d2d9cc
hex98e191

10019217 has 8 divisors (see below), whose sum is σ = 14386624. Its totient is φ = 6165648.

The previous prime is 10019197. The next prime is 10019249. The reversal of 10019217 is 71291001.

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

It is not a de Polignac number, because 10019217 - 210 = 10018193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10019193 and 10019202.

It is not an unprimeable number, because it can be changed into a prime (10019117) 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, 128413 + ... + 128490.

It is an arithmetic number, because the mean of its divisors is an integer number (1798328).

Almost surely, 210019217 is an apocalyptic number.

It is an amenable number.

10019217 is a deficient number, since it is larger than the sum of its proper divisors (4367407).

10019217 is a wasteful number, since it uses less digits than its factorization.

10019217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256919.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 10019217 is about 3165.3146763000. The cubic root of 10019217 is about 215.5813866003.

The spelling of 10019217 in words is "ten million, nineteen thousand, two hundred seventeen".

Divisors: 1 3 13 39 256903 770709 3339739 10019217