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1214333780 = 225115519699
BaseRepresentation
bin100100001100001…
…0100001101010100
310010121222112210012
41020120110031110
54441332140110
6320255215352
742043444502
oct11030241524
93117875705
101214333780
11573506a40
1229a817558
131647727ca
14b73c1672
157191c905
hex48614354

1214333780 has 24 divisors (see below), whose sum is σ = 2781928800. Its totient is φ = 441575840.

The previous prime is 1214333753. The next prime is 1214333801. The reversal of 1214333780 is 873334121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759630 + ... + 2760069.

It is an arithmetic number, because the mean of its divisors is an integer number (115913700).

Almost surely, 21214333780 is an apocalyptic number.

1214333780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214333780 is an abundant number, since it is smaller than the sum of its proper divisors (1567595020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214333780 is a wasteful number, since it uses less digits than its factorization.

1214333780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519719 (or 5519717 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1214333780 is about 34847.2922907936. The cubic root of 1214333780 is about 1066.8729208359.

The spelling of 1214333780 in words is "one billion, two hundred fourteen million, three hundred thirty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5519699 11039398 22078796 27598495 55196990 60716689 110393980 121433378 242866756 303583445 607166890 1214333780