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1350727381 = 31239182309
BaseRepresentation
bin101000010000010…
…0111011011010101
310111010122001122001
41100200213123111
510231241234011
6342010435301
745320664463
oct12040473325
93433561561
101350727381
116334a5523
12318432b31
13186ab9493
14cb567833
157d8b07c1
hex508276d5

1350727381 has 8 divisors (see below), whose sum is σ = 1400140800. Its totient is φ = 1301679120.

The previous prime is 1350727351. The next prime is 1350727387. The reversal of 1350727381 is 1837270531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1350727381 - 213 = 1350719189 is a prime.

It is a super-2 number, since 2×13507273812 = 3648928915566238322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350727381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350727387) 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, 83746 + ... + 98563.

It is an arithmetic number, because the mean of its divisors is an integer number (175017600).

Almost surely, 21350727381 is an apocalyptic number.

It is an amenable number.

1350727381 is a deficient number, since it is larger than the sum of its proper divisors (49413419).

1350727381 is a wasteful number, since it uses less digits than its factorization.

1350727381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182579.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1350727381 is about 36752.2432104491. The cubic root of 1350727381 is about 1105.4079098429.

The spelling of 1350727381 in words is "one billion, three hundred fifty million, seven hundred twenty-seven thousand, three hundred eighty-one".

Divisors: 1 31 239 7409 182309 5651579 43571851 1350727381