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9681201 = 34472543
BaseRepresentation
bin100100111011…
…100100110001
3200012212010000
4210323210301
54434244301
6543300213
7145201035
oct44734461
920185100
109681201
1155126a2
1232aa669
13200c72a
1414001c5
15cb3786
hex93b931

9681201 has 20 divisors (see below), whose sum is σ = 14775552. Its totient is φ = 6314328.

The previous prime is 9681193. The next prime is 9681223. The reversal of 9681201 is 1021869.

9681201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9681201 - 23 = 9681193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (9681281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2536 + ... + 5078.

Almost surely, 29681201 is an apocalyptic number.

It is an amenable number.

9681201 is a deficient number, since it is larger than the sum of its proper divisors (5094351).

9681201 is a wasteful number, since it uses less digits than its factorization.

9681201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 9681201 is about 3111.4628392446. The cubic root of 9681201 is about 213.1292609577.

The spelling of 9681201 in words is "nine million, six hundred eighty-one thousand, two hundred one".

Divisors: 1 3 9 27 47 81 141 423 1269 2543 3807 7629 22887 68661 119521 205983 358563 1075689 3227067 9681201