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248536207 = 19312331811
BaseRepresentation
bin11101101000001…
…01110010001111
3122022122221120201
432310011302033
51002111124312
640354554331
76105344233
oct1664056217
9568587521
10248536207
11118323a27
126b2989a7
133c64c35a
14250185c3
1516c45557
hexed05c8f

248536207 has 16 divisors (see below), whose sum is σ = 271365120. Its totient is φ = 226756800.

The previous prime is 248536201. The next prime is 248536231. The reversal of 248536207 is 702635842.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248536207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248536201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136332 + ... + 138142.

It is an arithmetic number, because the mean of its divisors is an integer number (16960320).

Almost surely, 2248536207 is an apocalyptic number.

248536207 is a deficient number, since it is larger than the sum of its proper divisors (22828913).

248536207 is a wasteful number, since it uses less digits than its factorization.

248536207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 248536207 is about 15765.0311449106. The cubic root of 248536207 is about 628.7286083731.

The spelling of 248536207 in words is "two hundred forty-eight million, five hundred thirty-six thousand, two hundred seven".

Divisors: 1 19 31 233 589 1811 4427 7223 34409 56141 137237 421963 1066679 8017297 13080853 248536207