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2072252484 = 22382812
BaseRepresentation
bin111101110000100…
…0001000001000100
312100102022100000000
41323201001001010
513220444034414
6541343321300
7102231566301
oct17341010104
95312270000
102072252484
11973806a65
12499bb0230
13270424203
141593060a8
15c1dd5b09
hex7b841044

2072252484 has 81 divisors (see below), whose sum is σ = 5458812541. Its totient is φ = 688292640.

The previous prime is 2072252437. The next prime is 2072252491. The reversal of 2072252484 is 4842522702.

The square root of 2072252484 is 45522.

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., 1400406084 + 671846400 = 37422^2 + 25920^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 7374424 + ... + 7374704.

Almost surely, 22072252484 is an apocalyptic number.

2072252484 is the 45522-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2072252484

2072252484 is an abundant number, since it is smaller than the sum of its proper divisors (3386560057).

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

2072252484 is an frugal number, since it uses more digits than its factorization.

2072252484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The cubic root of 2072252484 is about 1274.9139983514.

Multiplying 2072252484 by its sum of digits (36), we get a square (74601089424 = 2731322).

2072252484 divided by its sum of digits (36) gives a square (57562569 = 75872).

The spelling of 2072252484 in words is "two billion, seventy-two million, two hundred fifty-two thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 281 324 486 562 729 843 972 1124 1458 1686 2187 2529 2916 3372 4374 5058 6561 7587 8748 10116 13122 15174 22761 26244 30348 45522 68283 78961 91044 136566 157922 204849 236883 273132 315844 409698 473766 614547 710649 819396 947532 1229094 1421298 1843641 2131947 2458188 2842596 3687282 4263894 6395841 7374564 8527788 12791682 19187523 25583364 38375046 57562569 76750092 115125138 172687707 230250276 345375414 518063121 690750828 1036126242 2072252484