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2420521004 = 221155011841
BaseRepresentation
bin1001000001000110…
…0011100000101100
320020200122012121002
42100101203200230
514424123133004
61040104055432
7113661042356
oct22021434054
96220565532
102420521004
111032359290
12576764578
132c7622265
1418d6820d6
15e277b61e
hex9046382c

2420521004 has 12 divisors (see below), whose sum is σ = 4620994728. Its totient is φ = 1100236800.

The previous prime is 2420521001. The next prime is 2420521027. The reversal of 2420521004 is 4001250242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2420521001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27505877 + ... + 27505964.

It is an arithmetic number, because the mean of its divisors is an integer number (385082894).

Almost surely, 22420521004 is an apocalyptic number.

It is an amenable number.

2420521004 is a deficient number, since it is larger than the sum of its proper divisors (2200473724).

2420521004 is a wasteful number, since it uses less digits than its factorization.

2420521004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55011856 (or 55011854 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2420521004 is about 49198.7906761945. The cubic root of 2420521004 is about 1342.6710300456.

Adding to 2420521004 its reverse (4001250242), we get a palindrome (6421771246).

The spelling of 2420521004 in words is "two billion, four hundred twenty million, five hundred twenty-one thousand, four".

Divisors: 1 2 4 11 22 44 55011841 110023682 220047364 605130251 1210260502 2420521004