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5247687168 = 2933379607
BaseRepresentation
bin1001110001100100…
…10101101000000000
3111112201110010111000
410320302111220000
541221401442133
62224420052000
7244020414333
oct47062255000
914481403430
105247687168
112253201049
121025534000
13658271649
1437ad3861a
1520aa80413
hex138c95a00

5247687168 has 80 divisors (see below), whose sum is σ = 15533559360. Its totient is φ = 1749224448.

The previous prime is 5247687149. The next prime is 5247687169. The reversal of 5247687168 is 8617867425.

5247687168 is a `hidden beast` number, since 5 + 2 + 476 + 8 + 7 + 168 = 666.

It is a super-2 number, since 2×52476871682 = 55076441226383720448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5247687169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175980 + ... + 203627.

It is an arithmetic number, because the mean of its divisors is an integer number (194169492).

Almost surely, 25247687168 is an apocalyptic number.

It is an amenable number.

5247687168 is an abundant number, since it is smaller than the sum of its proper divisors (10285872192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5247687168 is an equidigital number, since it uses as much as digits as its factorization.

5247687168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379634 (or 379612 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 5247687168 is about 72440.9219157239. The cubic root of 5247687168 is about 1737.7580638238.

The spelling of 5247687168 in words is "five billion, two hundred forty-seven million, six hundred eighty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1152 1536 1728 2304 3456 4608 6912 13824 379607 759214 1138821 1518428 2277642 3036856 3416463 4555284 6073712 6832926 9110568 10249389 12147424 13665852 18221136 20498778 24294848 27331704 36442272 40997556 48589696 54663408 72884544 81995112 97179392 109326816 145769088 163990224 194358784 218653632 291538176 327980448 437307264 583076352 655960896 874614528 1311921792 1749229056 2623843584 5247687168