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90741 = 3729149
BaseRepresentation
bin10110001001110101
311121110210
4112021311
510400431
61540033
7525360
oct261165
9147423
1090741
11621a2
1244619
13323c1
14250d7
151bd46
hex16275

90741 has 16 divisors (see below), whose sum is σ = 144000. Its totient is φ = 49728.

The previous prime is 90731. The next prime is 90749. The reversal of 90741 is 14709.

90741 = T19 + T20 + ... + T81.

It is not a de Polignac number, because 90741 - 25 = 90709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (9000).

290741 is an apocalyptic number.

It is an amenable number.

90741 is a deficient number, since it is larger than the sum of its proper divisors (53259).

90741 is a wasteful number, since it uses less digits than its factorization.

90741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 90741 is about 301.2324683695. The cubic root of 90741 is about 44.9367011264.

The spelling of 90741 in words is "ninety thousand, seven hundred forty-one".

Divisors: 1 3 7 21 29 87 149 203 447 609 1043 3129 4321 12963 30247 90741