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742252 = 2273541
BaseRepresentation
bin10110101001101101100
31101201011211
42311031230
5142223002
623524204
76211000
oct2651554
91351154
10742252
11467735
122b9664
131ccb04
14154700
15e9dd7
hexb536c

742252 has 24 divisors (see below), whose sum is σ = 1517600. Its totient is φ = 317520.

The previous prime is 742243. The next prime is 742253. The reversal of 742252 is 252247.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (742253) by changing a digit.

742252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 1642.

2742252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758800).

742252 is an abundant number, since it is smaller than the sum of its proper divisors (775348).

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

742252 is a wasteful number, since it uses less digits than its factorization.

742252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 550 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 742252 is about 861.5404807669. The cubic root of 742252 is about 90.5420782521.

Adding to 742252 its reverse (252247), we get a palindrome (994499).

The spelling of 742252 in words is "seven hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 541 686 1082 1372 2164 3787 7574 15148 26509 53018 106036 185563 371126 742252