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8881201 = 72211859
BaseRepresentation
bin100001111000…
…010000110001
3121201012201101
4201320100301
54233144301
6514204401
7135326500
oct41702061
917635641
108881201
11501663a
122b83701
131abc564
141272837
15ba6701
hex878431

8881201 has 12 divisors (see below), whose sum is σ = 10392240. Its totient is φ = 7567560.

The previous prime is 8881199. The next prime is 8881207. The reversal of 8881201 is 1021888.

It is not a de Polignac number, because 8881201 - 21 = 8881199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8881201.

It is not an unprimeable number, because it can be changed into a prime (8881207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9910 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (866020).

Almost surely, 28881201 is an apocalyptic number.

It is an amenable number.

8881201 is a deficient number, since it is larger than the sum of its proper divisors (1511039).

8881201 is a wasteful number, since it uses less digits than its factorization.

8881201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 8881201 is about 2980.1343929427. The cubic root of 8881201 is about 207.0890963593.

The spelling of 8881201 in words is "eight million, eight hundred eighty-one thousand, two hundred one".

Divisors: 1 7 49 211 859 1477 6013 10339 42091 181249 1268743 8881201