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16670379 = 3113371499
BaseRepresentation
bin111111100101…
…111010101011
31011100221110110
4333211322223
513231423004
61353145403
7261460455
oct77457253
934327413
1016670379
119456780
1256bb263
1335b8a3b
1422dd2d5
1516e4589
hexfe5eab

16670379 has 16 divisors (see below), whose sum is σ = 24336000. Its totient is φ = 10066560.

The previous prime is 16670371. The next prime is 16670393. The reversal of 16670379 is 97307661.

It is not a de Polignac number, because 16670379 - 23 = 16670371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16670371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10372 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (1521000).

Almost surely, 216670379 is an apocalyptic number.

16670379 is a deficient number, since it is larger than the sum of its proper divisors (7665621).

16670379 is a wasteful number, since it uses less digits than its factorization.

16670379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 16670379 is about 4082.9375454445. The cubic root of 16670379 is about 255.4554413636.

The spelling of 16670379 in words is "sixteen million, six hundred seventy thousand, three hundred seventy-nine".

Divisors: 1 3 11 33 337 1011 1499 3707 4497 11121 16489 49467 505163 1515489 5556793 16670379