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4755640 = 235118891
BaseRepresentation
bin10010001001000010111000
322221121111211
4102021002320
52204140030
6245532504
755264561
oct22110270
98847454
104755640
112758a8a
121714134
13ca67b6
148bb168
1563e12a
hex4890b8

4755640 has 16 divisors (see below), whose sum is σ = 10700280. Its totient is φ = 1902240.

The previous prime is 4755629. The next prime is 4755649. The reversal of 4755640 is 465574.

It is a happy number.

It is a super-2 number, since 2×47556402 = 45232223619200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4755649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59406 + ... + 59485.

Almost surely, 24755640 is an apocalyptic number.

4755640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4755640 is an abundant number, since it is smaller than the sum of its proper divisors (5944640).

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

4755640 is a wasteful number, since it uses less digits than its factorization.

4755640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118902 (or 118898 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4755640 is about 2180.7429926518. The cubic root of 4755640 is about 168.1652757486.

The spelling of 4755640 in words is "four million, seven hundred fifty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 118891 237782 475564 594455 951128 1188910 2377820 4755640