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4861764 = 2232135049
BaseRepresentation
bin10010100010111101000100
3100011000002100
4102202331010
52221034024
6252112100
756216145
oct22427504
910130070
104861764
112820796
121765630
131012bab
14907acc
156607c9
hex4a2f44

4861764 has 18 divisors (see below), whose sum is σ = 12289550. Its totient is φ = 1620576.

The previous prime is 4861751. The next prime is 4861771. The reversal of 4861764 is 4671684.

4861764 is a `hidden beast` number, since 486 + 176 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2924100 + 1937664 = 1710^2 + 1392^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 135049 = 4861764 / (4 + 8 + 6 + 1 + 7 + 6 + 4).

It is an Ulam number.

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, 67489 + ... + 67560.

Almost surely, 24861764 is an apocalyptic number.

It is an amenable number.

4861764 is an abundant number, since it is smaller than the sum of its proper divisors (7427786).

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

4861764 is a wasteful number, since it uses less digits than its factorization.

4861764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135059 (or 135054 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4861764 is about 2204.9408155322. The cubic root of 4861764 is about 169.4069763931.

It can be divided in two parts, 4861 and 764, that added together give a square (5625 = 752).

The spelling of 4861764 in words is "four million, eight hundred sixty-one thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 135049 270098 405147 540196 810294 1215441 1620588 2430882 4861764