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4721064100 = 225268712
BaseRepresentation
bin1000110010110010…
…11011100010100100
3110012000111220102221
410121121123202210
534132043022400
62100244442124
7224664245164
oct43131334244
913160456387
104721064100
112002a10375
12ab90a9344
135a312766c
1432b0125a4
151c9708c1a
hex11965b8a4

4721064100 has 27 divisors (see below), whose sum is σ = 10246200321. Its totient is φ = 1888150800.

The previous prime is 4721064097. The next prime is 4721064133. The reversal of 4721064100 is 14601274.

The square root of 4721064100 is 68710.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1699583076 + 3021481024 = 41226^2 + 54968^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 683665 + ... + 690535.

Almost surely, 24721064100 is an apocalyptic number.

4721064100 is the 68710-th square number.

It is an amenable number.

4721064100 is an abundant number, since it is smaller than the sum of its proper divisors (5525136221).

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

4721064100 is an frugal number, since it uses more digits than its factorization.

4721064100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756 (or 6878 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The cubic root of 4721064100 is about 1677.5673527046.

Multiplying 4721064100 by its sum of digits (25), we get a square (118026602500 = 3435502).

4721064100 divided by its sum of digits (25) gives a square (188842564 = 137422).

Adding to 4721064100 its reverse (14601274), we get a palindrome (4735665374).

The spelling of 4721064100 in words is "four billion, seven hundred twenty-one million, sixty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 6871 13742 27484 34355 68710 137420 171775 343550 687100 47210641 94421282 188842564 236053205 472106410 944212820 1180266025 2360532050 4721064100