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1369569340 = 225233293899
BaseRepresentation
bin101000110100001…
…1111100000111100
310112110002022221101
41101220133200330
510301102204330
6343522342444
745640101346
oct12150374074
93473068841
101369569340
116430a4797
123227baa24
1318a985779
14cdc70296
15803834ca
hex51a1f83c

1369569340 has 24 divisors (see below), whose sum is σ = 2888449200. Its totient is φ = 545474688.

The previous prime is 1369569329. The next prime is 1369569349. The reversal of 1369569340 is 439659631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369569349) 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, 142290 + ... + 151609.

It is an arithmetic number, because the mean of its divisors is an integer number (120352050).

Almost surely, 21369569340 is an apocalyptic number.

1369569340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369569340 is an abundant number, since it is smaller than the sum of its proper divisors (1518879860).

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

1369569340 is a wasteful number, since it uses less digits than its factorization.

1369569340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294141 (or 294139 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 1369569340 is about 37007.6929840270. The cubic root of 1369569340 is about 1110.5241525270.

The spelling of 1369569340 in words is "one billion, three hundred sixty-nine million, five hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 233 466 932 1165 2330 4660 293899 587798 1175596 1469495 2938990 5877980 68478467 136956934 273913868 342392335 684784670 1369569340