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4720485 = 357116167
BaseRepresentation
bin10010000000011101100101
322212211021210
4102000131211
52202023420
6245102033
755060230
oct22003545
98784253
104720485
112734630
1216b7919
13c937b3
148ac417
156339e0
hex480765

4720485 has 64 divisors (see below), whose sum is σ = 9713664. Its totient is φ = 1900800.

The previous prime is 4720481. The next prime is 4720501. The reversal of 4720485 is 5840274.

It is not a de Polignac number, because 4720485 - 22 = 4720481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70422 + ... + 70488.

It is an arithmetic number, because the mean of its divisors is an integer number (151776).

Almost surely, 24720485 is an apocalyptic number.

It is an amenable number.

4720485 is an abundant number, since it is smaller than the sum of its proper divisors (4993179).

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

4720485 is a wasteful number, since it uses less digits than its factorization.

4720485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4720485 is about 2172.6677150453. The cubic root of 4720485 is about 167.7498758072.

The spelling of 4720485 in words is "four million, seven hundred twenty thousand, four hundred eighty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 61 67 77 105 165 183 201 231 305 335 385 427 469 671 737 915 1005 1155 1281 1407 2013 2135 2211 2345 3355 3685 4087 4697 5159 6405 7035 10065 11055 12261 14091 15477 20435 23485 25795 28609 44957 61305 70455 77385 85827 134871 143045 224785 314699 429135 674355 944097 1573495 4720485