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4972211444 = 221976309913
BaseRepresentation
bin1001010000101110…
…11110110011110100
3110211112002111211102
410220113132303310
540140341231234
62141215425232
7234134046164
oct45027366364
913745074742
104972211444
112121758062
12b69225218
1361317c365
1435250a5a4
151e17b7c7e
hex1285decf4

4972211444 has 12 divisors (see below), whose sum is σ = 8745540804. Its totient is φ = 2473485504.

The previous prime is 4972211411. The next prime is 4972211449. The reversal of 4972211444 is 4441122794.

It can be written as a sum of positive squares in 2 ways, for example, as 4786979344 + 185232100 = 69188^2 + 13610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4972211398 and 4972211407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972211449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3154169 + ... + 3155744.

It is an arithmetic number, because the mean of its divisors is an integer number (728795067).

Almost surely, 24972211444 is an apocalyptic number.

It is an amenable number.

4972211444 is a deficient number, since it is larger than the sum of its proper divisors (3773329360).

4972211444 is a wasteful number, since it uses less digits than its factorization.

4972211444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310114 (or 6310112 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 4972211444 is about 70513.9095781818. The cubic root of 4972211444 is about 1706.8022089989.

The spelling of 4972211444 in words is "four billion, nine hundred seventy-two million, two hundred eleven thousand, four hundred forty-four".

Divisors: 1 2 4 197 394 788 6309913 12619826 25239652 1243052861 2486105722 4972211444