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248669613 = 32153118047
BaseRepresentation
bin11101101001001…
…10010110101101
3122022220201120200
432310212112231
51002124411423
640401504113
76106441203
oct1664462655
9568821520
10248669613
11118405185
126b342039
133c697caa
1425051073
1516c6ed43
hexed265ad

248669613 has 12 divisors (see below), whose sum is σ = 359443968. Its totient is φ = 165662280.

The previous prime is 248669599. The next prime is 248669639. The reversal of 248669613 is 316966842.

248669613 is a `hidden beast` number, since 24 + 8 + 6 + 6 + 9 + 613 = 666.

It is not a de Polignac number, because 248669613 - 25 = 248669581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248669413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (29953664).

Almost surely, 2248669613 is an apocalyptic number.

It is an amenable number.

248669613 is a deficient number, since it is larger than the sum of its proper divisors (110774355).

248669613 is a wasteful number, since it uses less digits than its factorization.

248669613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584 (or 19581 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 248669613 is about 15769.2616504388. The cubic root of 248669613 is about 628.8410818123.

The spelling of 248669613 in words is "two hundred forty-eight million, six hundred sixty-nine thousand, six hundred thirteen".

Divisors: 1 3 9 1531 4593 13779 18047 54141 162423 27629957 82889871 248669613