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BaseRepresentation
bin10010001111000001101100
322222212010020
4102033001230
52210431030
6250242140
755426161
oct22170154
98885106
104780140
112775432
121726350
13cb49b1
148c6068
15646510
hex48f06c

4780140 has 24 divisors (see below), whose sum is σ = 13384560. Its totient is φ = 1274688.

The previous prime is 4780133. The next prime is 4780151. The reversal of 4780140 is 410874.

4780140 = 3262 + 3272 + ... + 3652.

It is a self number, because there is not a number n which added to its sum of digits gives 4780140.

It is a congruent number.

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, 39775 + ... + 39894.

It is an arithmetic number, because the mean of its divisors is an integer number (557690).

Almost surely, 24780140 is an apocalyptic number.

It is an amenable number.

4780140 is an abundant number, since it is smaller than the sum of its proper divisors (8604420).

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

4780140 is a wasteful number, since it uses less digits than its factorization.

4780140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79681 (or 79679 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4780140 is about 2186.3531279279. The cubic root of 4780140 is about 168.4535646185.

The spelling of 4780140 in words is "four million, seven hundred eighty thousand, one hundred forty".