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2123387252 = 22775835259
BaseRepresentation
bin111111010010000…
…0101000101110100
312110222112020201022
41332210011011310
513322041343002
6550411320312
7103422331250
oct17644050564
95428466638
102123387252
1199a6622a8
124b3150098
1327abb8c7c
14162017260
15c6636ba2
hex7e905174

2123387252 has 12 divisors (see below), whose sum is σ = 4246774560. Its totient is φ = 910023096.

The previous prime is 2123387243. The next prime is 2123387263. The reversal of 2123387252 is 2527833212.

2123387252 is an admirable number.

It is a super-2 number, since 2×21233872522 = 9017546843912223008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37917602 + ... + 37917657.

It is an arithmetic number, because the mean of its divisors is an integer number (353897880).

Almost surely, 22123387252 is an apocalyptic number.

It is an amenable number.

2123387252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2123387252 is a wasteful number, since it uses less digits than its factorization.

2123387252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75835270 (or 75835268 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2123387252 is about 46080.2262581251. The cubic root of 2123387252 is about 1285.3154715055.

The spelling of 2123387252 in words is "two billion, one hundred twenty-three million, three hundred eighty-seven thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 75835259 151670518 303341036 530846813 1061693626 2123387252