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248612152 = 232312710639
BaseRepresentation
bin11101101000110…
…00010100111000
3122022210210202111
432310120110320
51002121042102
640400342104
76106111525
oct1664302470
9568723674
10248612152
11118375a98
126b314934
133c677aa9
142503814c
1516c5ccd7
hexed18538

248612152 has 32 divisors (see below), whose sum is σ = 490291200. Its totient is φ = 117954144.

The previous prime is 248612137. The next prime is 248612153. The reversal of 248612152 is 251216842.

It is a super-2 number, since 2×2486121522 = 123616004244142208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248612153) 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, 18049 + ... + 28687.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2248612152 is an apocalyptic number.

It is an amenable number.

248612152 is a deficient number, since it is larger than the sum of its proper divisors (241679048).

248612152 is a wasteful number, since it uses less digits than its factorization.

248612152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795 (or 10791 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 248612152 is about 15767.4396145982. The cubic root of 248612152 is about 628.7926418755.

Adding to 248612152 its reverse (251216842), we get a palindrome (499828994).

The spelling of 248612152 in words is "two hundred forty-eight million, six hundred twelve thousand, one hundred fifty-two".

Divisors: 1 2 4 8 23 46 92 127 184 254 508 1016 2921 5842 10639 11684 21278 23368 42556 85112 244697 489394 978788 1351153 1957576 2702306 5404612 10809224 31076519 62153038 124306076 248612152