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4207252 = 2272347139
BaseRepresentation
bin10000000011001010010100
321220202021011
4100003022110
52034113002
6230102004
750522020
oct20031224
97822234
104207252
112413a75
1214aa904
13b43cca
147b7380
155818d7
hex403294

4207252 has 48 divisors (see below), whose sum is σ = 9031680. Its totient is φ = 1675872.

The previous prime is 4207243. The next prime is 4207253. The reversal of 4207252 is 2527024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4207253) 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 15 ways as a sum of consecutive naturals, for example, 30199 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

Almost surely, 24207252 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 4207252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4515840).

4207252 is an abundant number, since it is smaller than the sum of its proper divisors (4824428).

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

4207252 is a wasteful number, since it uses less digits than its factorization.

4207252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 218 counting only the distinct ones).

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

The square root of 4207252 is about 2051.1586969321. The cubic root of 4207252 is about 161.4356729886.

It can be divided in two parts, 42072 and 52, that added together give a palindrome (42124).

The spelling of 4207252 in words is "four million, two hundred seven thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 23 28 46 47 92 94 139 161 188 278 322 329 556 644 658 973 1081 1316 1946 2162 3197 3892 4324 6394 6533 7567 12788 13066 15134 22379 26132 30268 44758 45731 89516 91462 150259 182924 300518 601036 1051813 2103626 4207252