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742242 = 23123707
BaseRepresentation
bin10110101001101100010
31101201011110
42311031202
5142222432
623524150
76210654
oct2651542
91351143
10742242
11467726
122b9656
131ccac7
141546d4
15e9dcc
hexb5362

742242 has 8 divisors (see below), whose sum is σ = 1484496. Its totient is φ = 247412.

The previous prime is 742241. The next prime is 742243. The reversal of 742242 is 242247.

742242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (742241) and next prime (742243).

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

742242 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742242.

It is not an unprimeable number, because it can be changed into a prime (742241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61848 + ... + 61859.

It is an arithmetic number, because the mean of its divisors is an integer number (185562).

2742242 is an apocalyptic number.

742242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742242 is a wasteful number, since it uses less digits than its factorization.

742242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123712.

The product of its digits is 896, while the sum is 21.

The square root of 742242 is about 861.5346771895. The cubic root of 742242 is about 90.5416716405.

Adding to 742242 its reverse (242247), we get a palindrome (984489).

The spelling of 742242 in words is "seven hundred forty-two thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 123707 247414 371121 742242