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1042523420 = 225137380483
BaseRepresentation
bin111110001000111…
…010010100011100
32200122200200021112
4332020322110130
54113341222140
6251240521152
734556205611
oct7610722434
92618620245
101042523420
11495528304
122511801b8
13137ca8483
149c65a508
15617d0c65
hex3e23a51c

1042523420 has 24 divisors (see below), whose sum is σ = 2205285264. Its totient is φ = 413964416.

The previous prime is 1042523411. The next prime is 1042523473. The reversal of 1042523420 is 243252401.

It is a happy number.

1042523420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187502 + ... + 192981.

It is an arithmetic number, because the mean of its divisors is an integer number (91886886).

Almost surely, 21042523420 is an apocalyptic number.

1042523420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042523420 is an abundant number, since it is smaller than the sum of its proper divisors (1162761844).

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

1042523420 is a wasteful number, since it uses less digits than its factorization.

1042523420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380629 (or 380627 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1042523420 is about 32288.1312559275. The cubic root of 1042523420 is about 1013.9781736008.

Adding to 1042523420 its reverse (243252401), we get a palindrome (1285775821).

The spelling of 1042523420 in words is "one billion, forty-two million, five hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 380483 760966 1521932 1902415 3804830 7609660 52126171 104252342 208504684 260630855 521261710 1042523420