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4981442 = 217146513
BaseRepresentation
bin10011000000001011000010
3100101002020212
4103000023002
52233401232
6254434122
760225104
oct23001302
910332225
104981442
1128a26a4
121802942
1310554cb
14939574
15685eb2
hex4c02c2

4981442 has 8 divisors (see below), whose sum is σ = 7911756. Its totient is φ = 2344192.

The previous prime is 4981441. The next prime is 4981451. The reversal of 4981442 is 2441894.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 101761 = 2209^2 + 319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4981399 and 4981408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73223 + ... + 73290.

Almost surely, 24981442 is an apocalyptic number.

4981442 is a deficient number, since it is larger than the sum of its proper divisors (2930314).

4981442 is a wasteful number, since it uses less digits than its factorization.

4981442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146532.

The product of its digits is 9216, while the sum is 32.

The square root of 4981442 is about 2231.9144248828. The cubic root of 4981442 is about 170.7857741627.

The spelling of 4981442 in words is "four million, nine hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 17 34 146513 293026 2490721 4981442