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1375830838 = 24315998033
BaseRepresentation
bin101001000000001…
…1000001100110110
310112212212110002201
41102000120030312
510304203041323
6344304455114
746044240424
oct12200301466
93485773081
101375830838
11646691088
1232491a49a
1318c0687b5
14d0a20114
1580bbd8ad
hex52018336

1375830838 has 8 divisors (see below), whose sum is σ = 2111740488. Its totient is φ = 671917344.

The previous prime is 1375830823. The next prime is 1375830839. The reversal of 1375830838 is 8380385731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375830839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998931 + ... + 7999102.

It is an arithmetic number, because the mean of its divisors is an integer number (263967561).

Almost surely, 21375830838 is an apocalyptic number.

1375830838 is a deficient number, since it is larger than the sum of its proper divisors (735909650).

1375830838 is a wasteful number, since it uses less digits than its factorization.

1375830838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15998078.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1375830838 is about 37092.1937609519. The cubic root of 1375830838 is about 1112.2139719667.

The spelling of 1375830838 in words is "one billion, three hundred seventy-five million, eight hundred thirty thousand, eight hundred thirty-eight".

Divisors: 1 2 43 86 15998033 31996066 687915419 1375830838