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2988760 = 23574719
BaseRepresentation
bin1011011001101011011000
312121211210211
423121223120
51231120020
6144020504
734255405
oct13315330
95554724
102988760
111761555
121001734
138084c8
1457b2ac
153e085a
hex2d9ad8

2988760 has 16 divisors (see below), whose sum is σ = 6724800. Its totient is φ = 1195488.

The previous prime is 2988731. The next prime is 2988761. The reversal of 2988760 is 678892.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 74719 = 2988760 / (2 + 9 + 8 + 8 + 7 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988761) 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, 37320 + ... + 37399.

It is an arithmetic number, because the mean of its divisors is an integer number (420300).

22988760 is an apocalyptic number.

2988760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2988760 is an abundant number, since it is smaller than the sum of its proper divisors (3736040).

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

2988760 is a wasteful number, since it uses less digits than its factorization.

2988760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74730 (or 74726 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2988760 is about 1728.8030541389. The cubic root of 2988760 is about 144.0446106640.

The spelling of 2988760 in words is "two million, nine hundred eighty-eight thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 74719 149438 298876 373595 597752 747190 1494380 2988760