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4720524420 = 223578675407
BaseRepresentation
bin1000110010101110…
…10111110010000100
3110011222111111010210
410121113113302010
534131423240140
62100225115420
7224656536603
oct43127276204
913158444123
104720524420
112002681957
12ab8a88b70
135a2c98b21
1432ad11a3a
151c964dd80
hex1195d7c84

4720524420 has 24 divisors (see below), whose sum is σ = 13217468544. Its totient is φ = 1258806496.

The previous prime is 4720524409. The next prime is 4720524421. The reversal of 4720524420 is 244250274.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4720524421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39337644 + ... + 39337763.

It is an arithmetic number, because the mean of its divisors is an integer number (550727856).

Almost surely, 24720524420 is an apocalyptic number.

It is an amenable number.

4720524420 is an abundant number, since it is smaller than the sum of its proper divisors (8496944124).

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

4720524420 is a wasteful number, since it uses less digits than its factorization.

4720524420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78675419 (or 78675417 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 4720524420 is about 68706.0726573714. The cubic root of 4720524420 is about 1677.5034275647.

Adding to 4720524420 its reverse (244250274), we get a palindrome (4964774694).

The spelling of 4720524420 in words is "four billion, seven hundred twenty million, five hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 78675407 157350814 236026221 314701628 393377035 472052442 786754070 944104884 1180131105 1573508140 2360262210 4720524420