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1380704824 = 23172588103
BaseRepresentation
bin101001001001011…
…1110001000111000
310120020001001221201
41102102332020320
510311430023244
6345001143544
746133540332
oct12222761070
93506031851
101380704824
1164940aa74
1232648abb4
13190084105
14d152c452
1581332ad4
hex524be238

1380704824 has 8 divisors (see below), whose sum is σ = 2588821560. Its totient is φ = 690352408.

The previous prime is 1380704813. The next prime is 1380704867. The reversal of 1380704824 is 4284070831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13807048242 = 3812691622033741952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86294044 + ... + 86294059.

It is an arithmetic number, because the mean of its divisors is an integer number (323602695).

Almost surely, 21380704824 is an apocalyptic number.

It is an amenable number.

1380704824 is a deficient number, since it is larger than the sum of its proper divisors (1208116736).

1380704824 is a wasteful number, since it uses less digits than its factorization.

1380704824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172588109 (or 172588105 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1380704824 is about 37157.8366431632. The cubic root of 1380704824 is about 1113.5257918048.

The spelling of 1380704824 in words is "one billion, three hundred eighty million, seven hundred four thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 172588103 345176206 690352412 1380704824