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1003130442 = 232200327823
BaseRepresentation
bin111011110010101…
…000111001001010
32120220120022021100
4323302220321022
54023300133232
6243312322230
733600316356
oct7362507112
92526508240
101003130442
11475271826
1223bb43376
1312ca95012
1497324466
155d0edc7c
hex3bca8e4a

1003130442 has 24 divisors (see below), whose sum is σ = 2174612544. Its totient is φ = 334197864.

The previous prime is 1003130437. The next prime is 1003130461. The reversal of 1003130442 is 2440313001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22143 + ... + 49965.

It is an arithmetic number, because the mean of its divisors is an integer number (90608856).

Almost surely, 21003130442 is an apocalyptic number.

1003130442 is an abundant number, since it is smaller than the sum of its proper divisors (1171482102).

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

1003130442 is a wasteful number, since it uses less digits than its factorization.

1003130442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29834 (or 29831 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1003130442 is about 31672.2345596265. The cubic root of 1003130442 is about 1001.0423937045.

Adding to 1003130442 its reverse (2440313001), we get a palindrome (3443443443).

The spelling of 1003130442 in words is "one billion, three million, one hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 2003 4006 6009 12018 18027 27823 36054 55646 83469 166938 250407 500814 55729469 111458938 167188407 334376814 501565221 1003130442