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1324380380 = 225353318743
BaseRepresentation
bin100111011110000…
…0111000011011100
310102022001111100012
41032330013003130
510203020133010
6335230022352
744551022201
oct11674070334
93368044305
101324380380
1161a63a644
1230b6479b8
131814c313b
14c7c69ca8
157b409005
hex4ef070dc

1324380380 has 24 divisors (see below), whose sum is σ = 2782134432. Its totient is φ = 529573952.

The previous prime is 1324380361. The next prime is 1324380397. The reversal of 1324380380 is 830834231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61289 + ... + 80031.

It is an arithmetic number, because the mean of its divisors is an integer number (115922268).

Almost surely, 21324380380 is an apocalyptic number.

1324380380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324380380 is an abundant number, since it is smaller than the sum of its proper divisors (1457754052).

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

1324380380 is a wasteful number, since it uses less digits than its factorization.

1324380380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285 (or 22283 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1324380380 is about 36392.0373158745. The cubic root of 1324380380 is about 1098.1733816889.

The spelling of 1324380380 in words is "one billion, three hundred twenty-four million, three hundred eighty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 3533 7066 14132 17665 18743 35330 37486 70660 74972 93715 187430 374860 66219019 132438038 264876076 331095095 662190190 1324380380