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4749640 = 235716963
BaseRepresentation
bin10010000111100101001000
322221022021121
4102013211020
52203442030
6245445024
755241230
oct22074510
98838247
104749640
112754525
121710774
13ca3b4c
148b8cc0
1563c47a
hex487948

4749640 has 32 divisors (see below), whose sum is σ = 12214080. Its totient is φ = 1628352.

The previous prime is 4749637. The next prime is 4749659. The reversal of 4749640 is 469474.

It is a junction number, because it is equal to n+sod(n) for n = 4749596 and 4749605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8202 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (381690).

Almost surely, 24749640 is an apocalyptic number.

4749640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4749640 is an abundant number, since it is smaller than the sum of its proper divisors (7464440).

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

4749640 is a wasteful number, since it uses less digits than its factorization.

4749640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16981 (or 16977 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 4749640 is about 2179.3668805412. The cubic root of 4749640 is about 168.0945235269.

The spelling of 4749640 in words is "four million, seven hundred forty-nine thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 16963 33926 67852 84815 118741 135704 169630 237482 339260 474964 593705 678520 949928 1187410 2374820 4749640