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242636 = 2260659
BaseRepresentation
bin111011001111001100
3110022211112
4323033030
530231021
65111152
72030252
oct731714
9408745
10242636
11156329
12b84b8
1386594
14645d2
154bd5b
hex3b3cc

242636 has 6 divisors (see below), whose sum is σ = 424620. Its totient is φ = 121316.

The previous prime is 242633. The next prime is 242639. The reversal of 242636 is 636242.

It is an interprime number because it is at equal distance from previous prime (242633) and next prime (242639).

It is not an unprimeable number, because it can be changed into a prime (242633) 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 as a sum of consecutive naturals, namely, 30326 + ... + 30333.

It is an arithmetic number, because the mean of its divisors is an integer number (70770).

2242636 is an apocalyptic number.

It is an amenable number.

242636 is a deficient number, since it is larger than the sum of its proper divisors (181984).

242636 is a wasteful number, since it uses less digits than its factorization.

242636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60663 (or 60661 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 242636 is about 492.5809578130. The cubic root of 242636 is about 62.3713406635.

Adding to 242636 its reverse (636242), we get a palindrome (878878).

It can be divided in two parts, 242 and 636, that added together give a palindrome (878).

The spelling of 242636 in words is "two hundred forty-two thousand, six hundred thirty-six".

Divisors: 1 2 4 60659 121318 242636