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1016214487 = 1953484973
BaseRepresentation
bin111100100100100…
…011001111010111
32121211012001012121
4330210203033113
54040122330422
6244501000411
734116452311
oct7444431727
92554161177
101016214487
11481698a92
122443b3107
131326c6562
1498d6c7b1
155e3358c7
hex3c9233d7

1016214487 has 4 divisors (see below), whose sum is σ = 1069699480. Its totient is φ = 962729496.

The previous prime is 1016214469. The next prime is 1016214517. The reversal of 1016214487 is 7844126101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1016214487 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 (1016214427) 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 3 ways as a sum of consecutive naturals, for example, 26742468 + ... + 26742505.

It is an arithmetic number, because the mean of its divisors is an integer number (267424870).

Almost surely, 21016214487 is an apocalyptic number.

1016214487 is a deficient number, since it is larger than the sum of its proper divisors (53484993).

1016214487 is an equidigital number, since it uses as much as digits as its factorization.

1016214487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53484992.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1016214487 is about 31878.1192512984. The cubic root of 1016214487 is about 1005.3758771571.

It can be divided in two parts, 10162 and 14487, that added together give a square (24649 = 1572).

The spelling of 1016214487 in words is "one billion, sixteen million, two hundred fourteen thousand, four hundred eighty-seven".

Divisors: 1 19 53484973 1016214487