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93890389 = 1992711741
BaseRepresentation
bin1011001100010…
…10011101010101
320112200010101211
411212022131111
5143013443024
613152221421
72220024625
oct546123525
9215603354
1093890389
1148aa926a
122753a871
13165b4958
14c680885
158399594
hex598a755

93890389 has 8 divisors (see below), whose sum is σ = 94764800. Its totient is φ = 93020400.

The previous prime is 93890353. The next prime is 93890399. The reversal of 93890389 is 98309839.

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 93890389 - 27 = 93890261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93890399) 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, 53059 + ... + 54799.

It is an arithmetic number, because the mean of its divisors is an integer number (11845600).

Almost surely, 293890389 is an apocalyptic number.

It is an amenable number.

93890389 is a deficient number, since it is larger than the sum of its proper divisors (874411).

93890389 is a wasteful number, since it uses less digits than its factorization.

93890389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 93890389 is about 9689.7053102765. The cubic root of 93890389 is about 454.5067939955.

The spelling of 93890389 in words is "ninety-three million, eight hundred ninety thousand, three hundred eighty-nine".

Divisors: 1 199 271 1741 53929 346459 471811 93890389