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4919688 = 233268329
BaseRepresentation
bin10010110001000110001000
3100020221112200
4102301012020
52224412223
6253240200
756550054
oct22610610
910227480
104919688
112860264
121793060
131033377
14920c64
15672a43
hex4b1188

4919688 has 24 divisors (see below), whose sum is σ = 13324350. Its totient is φ = 1639872.

The previous prime is 4919671. The next prime is 4919699. The reversal of 4919688 is 8869194.

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 1954404 = 1722^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34093 + ... + 34236.

Almost surely, 24919688 is an apocalyptic number.

It is an amenable number.

4919688 is an abundant number, since it is smaller than the sum of its proper divisors (8404662).

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

4919688 is a wasteful number, since it uses less digits than its factorization.

4919688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68341 (or 68334 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 4919688 is about 2218.0369699354. The cubic root of 4919688 is about 170.0771045851.

It can be divided in two parts, 49196 and 88, that added together give a square (49284 = 2222).

The spelling of 4919688 in words is "four million, nine hundred nineteen thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 68329 136658 204987 273316 409974 546632 614961 819948 1229922 1639896 2459844 4919688