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4981881 = 329173331
BaseRepresentation
bin10011000000010001111001
3100101002212010
4103000101321
52233410011
6254440133
760226302
oct23002171
910332763
104981881
1128a2a63
121803049
131055778
149397a9
156861a6
hex4c0479

4981881 has 16 divisors (see below), whose sum is σ = 6932160. Its totient is φ = 3178560.

The previous prime is 4981877. The next prime is 4981903. The reversal of 4981881 is 1881894.

It is a happy number.

It is not a de Polignac number, because 4981881 - 22 = 4981877 is a prime.

It is a super-2 number, since 2×49818812 = 49638276596322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4981811) 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, 14886 + ... + 15216.

It is an arithmetic number, because the mean of its divisors is an integer number (433260).

Almost surely, 24981881 is an apocalyptic number.

It is an amenable number.

4981881 is a deficient number, since it is larger than the sum of its proper divisors (1950279).

4981881 is a wasteful number, since it uses less digits than its factorization.

4981881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 18432, while the sum is 39.

The square root of 4981881 is about 2232.0127687807. The cubic root of 4981881 is about 170.7907909665.

The spelling of 4981881 in words is "four million, nine hundred eighty-one thousand, eight hundred eighty-one".

Divisors: 1 3 29 87 173 331 519 993 5017 9599 15051 28797 57263 171789 1660627 4981881