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152212 = 2238053
BaseRepresentation
bin100101001010010100
321201210111
4211022110
514332322
63132404
71202524
oct451224
9251714
10152212
11a43a5
1274104
1354388
143d684
1530177
hex25294

152212 has 6 divisors (see below), whose sum is σ = 266378. Its totient is φ = 76104.

The previous prime is 152203. The next prime is 152213. The reversal of 152212 is 212251.

It can be written as a sum of positive squares in only one way, i.e., 125316 + 26896 = 354^2 + 164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152192 and 152201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152213) by changing a digit.

152212 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19023 + ... + 19030.

2152212 is an apocalyptic number.

It is an amenable number.

152212 is a deficient number, since it is larger than the sum of its proper divisors (114166).

152212 is a wasteful number, since it uses less digits than its factorization.

152212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38057 (or 38055 counting only the distinct ones).

The product of its digits is 40, while the sum is 13.

The square root of 152212 is about 390.1435633200. The cubic root of 152212 is about 53.3928329021.

Adding to 152212 its reverse (212251), we get a palindrome (364463).

The spelling of 152212 in words is "one hundred fifty-two thousand, two hundred twelve".

Divisors: 1 2 4 38053 76106 152212