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3247428487 = 24122216067
BaseRepresentation
bin1100000110001111…
…1101001110000111
322101022121110102011
43001203331032013
523122320202422
61254123355051
7143321454352
oct30143751607
98338543364
103247428487
1114170a80a6
12767682a87
133c9a36624
1422b413299
1514016b077
hexc18fd387

3247428487 has 8 divisors (see below), whose sum is σ = 3262909232. Its totient is φ = 3231964800.

The previous prime is 3247428479. The next prime is 3247428517. The reversal of 3247428487 is 7848247423.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3247428487 - 23 = 3247428479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3247428487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247428407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532228 + ... + 538294.

It is an arithmetic number, because the mean of its divisors is an integer number (407863654).

Almost surely, 23247428487 is an apocalyptic number.

3247428487 is a deficient number, since it is larger than the sum of its proper divisors (15480745).

3247428487 is a wasteful number, since it uses less digits than its factorization.

3247428487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529.

The product of its digits is 2408448, while the sum is 49.

The square root of 3247428487 is about 56986.2131308968. The cubic root of 3247428487 is about 1480.8572594719.

The spelling of 3247428487 in words is "three billion, two hundred forty-seven million, four hundred twenty-eight thousand, four hundred eighty-seven".

Divisors: 1 241 2221 6067 535261 1462147 13474807 3247428487