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1001431124 = 22499501719
BaseRepresentation
bin111011101100001…
…010000001010100
32120210100222020122
4323230022001110
54022331243444
6243212051112
733550011161
oct7354120124
92523328218
101001431124
11474311031
1223b463a98
1312c61b6c5
1497001068
155cdb54ee
hex3bb0a054

1001431124 has 12 divisors (see below), whose sum is σ = 1756020000. Its totient is φ = 499711128.

The previous prime is 1001431117. The next prime is 1001431127. The reversal of 1001431124 is 4211341001.

It is a happy number.

It is a super-2 number, since 2×10014311242 = 2005728592231806752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001431127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248864 + ... + 252855.

It is an arithmetic number, because the mean of its divisors is an integer number (146335000).

Almost surely, 21001431124 is an apocalyptic number.

It is an amenable number.

1001431124 is a deficient number, since it is larger than the sum of its proper divisors (754588876).

1001431124 is a wasteful number, since it uses less digits than its factorization.

1001431124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502222 (or 502220 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1001431124 is about 31645.3965688534. The cubic root of 1001431124 is about 1000.4768139457.

Adding to 1001431124 its reverse (4211341001), we get a palindrome (5212772125).

The spelling of 1001431124 in words is "one billion, one million, four hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 499 998 1996 501719 1003438 2006876 250357781 500715562 1001431124