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1001210252 = 22735757509
BaseRepresentation
bin111011101011010…
…100000110001100
32120202221202021012
4323223110012030
54022302212002
6243203224352
733545101220
oct7353240614
92522852235
101001210252
11474180099
1223b3780b8
1312c572003
1496d84780
155cd6ed52
hex3bad418c

1001210252 has 12 divisors (see below), whose sum is σ = 2002420560. Its totient is φ = 429090096.

The previous prime is 1001210251. The next prime is 1001210261. The reversal of 1001210252 is 2520121001.

1001210252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

1001210252 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1001210251) 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, 17878727 + ... + 17878782.

It is an arithmetic number, because the mean of its divisors is an integer number (166868380).

Almost surely, 21001210252 is an apocalyptic number.

It is an amenable number.

1001210252 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.

1001210252 is a wasteful number, since it uses less digits than its factorization.

1001210252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35757520 (or 35757518 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1001210252 is about 31641.9065797243. The cubic root of 1001210252 is about 1000.4032546971.

Adding to 1001210252 its reverse (2520121001), we get a palindrome (3521331253).

The spelling of 1001210252 in words is "one billion, one million, two hundred ten thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 35757509 71515018 143030036 250302563 500605126 1001210252