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1380552276 = 223235002001
BaseRepresentation
bin101001001001001…
…1000111001010100
310120012202022200210
41102102120321110
510311410133101
6344554005420
746132333515
oct12222307124
93505668623
101380552276
116493163a4
12326416870
1319002c84c
14d14cca0c
15813027d6
hex52498e54

1380552276 has 24 divisors (see below), whose sum is σ = 3361345344. Its totient is φ = 440176000.

The previous prime is 1380552263. The next prime is 1380552307. The reversal of 1380552276 is 6722550831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500725 + ... + 2501276.

It is an arithmetic number, because the mean of its divisors is an integer number (140056056).

Almost surely, 21380552276 is an apocalyptic number.

It is an amenable number.

1380552276 is an abundant number, since it is smaller than the sum of its proper divisors (1980793068).

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

1380552276 is a wasteful number, since it uses less digits than its factorization.

1380552276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002031 (or 5002029 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1380552276 is about 37155.7838835355. The cubic root of 1380552276 is about 1113.4847807729.

The spelling of 1380552276 in words is "one billion, three hundred eighty million, five hundred fifty-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 5002001 10004002 15006003 20008004 30012006 60024012 115046023 230092046 345138069 460184092 690276138 1380552276