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949442 = 2132532
BaseRepresentation
bin11100111110011000010
31210020101112
43213303002
5220340232
632203322
711033024
oct3476302
91706345
10949442
1159936a
12399542
13273200
141aa014
1513b4b2
hexe7cc2

949442 has 18 divisors (see below), whose sum is σ = 1571787. Its totient is φ = 429936.

The previous prime is 949441. The next prime is 949451. The reversal of 949442 is 244949.

It can be written as a sum of positive squares in 5 ways, for example, as 323761 + 625681 = 569^2 + 791^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=689.

It is a super-2 number, since 2×9494422 = 1802880222728, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 949399 and 949408.

It is not an unprimeable number, because it can be changed into a prime (949441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17888 + ... + 17940.

2949442 is an apocalyptic number.

949442 is a deficient number, since it is larger than the sum of its proper divisors (622345).

949442 is a wasteful number, since it uses less digits than its factorization.

949442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 68 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 949442 is about 974.3931444751. The cubic root of 949442 is about 98.2855064429.

Multiplying 949442 by its sum of digits (32), we get a square (30382144 = 55122).

Multiplying 949442 by its product of digits (10368), we get a square (9843814656 = 992162).

The spelling of 949442 in words is "nine hundred forty-nine thousand, four hundred forty-two".

Divisors: 1 2 13 26 53 106 169 338 689 1378 2809 5618 8957 17914 36517 73034 474721 949442