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152205724 = 22114380447
BaseRepresentation
bin10010001001001…
…11100110011100
3101121101212000001
421010213212130
5302431040344
623034144044
73525504316
oct1104474634
9347355001
10152205724
1178a09460
1242b82024
13256c1b78
14163007b6
15d567ed4
hex912799c

152205724 has 24 divisors (see below), whose sum is σ = 297335808. Its totient is φ = 67574640.

The previous prime is 152205721. The next prime is 152205733. The reversal of 152205724 is 427502251.

It is a junction number, because it is equal to n+sod(n) for n = 152205692 and 152205701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152205721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38332 + ... + 42115.

It is an arithmetic number, because the mean of its divisors is an integer number (12388992).

Almost surely, 2152205724 is an apocalyptic number.

It is an amenable number.

152205724 is a deficient number, since it is larger than the sum of its proper divisors (145130084).

152205724 is a wasteful number, since it uses less digits than its factorization.

152205724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80505 (or 80503 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 152205724 is about 12337.1683947330. The cubic root of 152205724 is about 533.9209906157.

Adding to 152205724 its reverse (427502251), we get a palindrome (579707975).

The spelling of 152205724 in words is "one hundred fifty-two million, two hundred five thousand, seven hundred twenty-four".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 80447 160894 321788 884917 1769834 3459221 3539668 6918442 13836884 38051431 76102862 152205724