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1002351442 = 21193420097
BaseRepresentation
bin111011101111101…
…010101101010010
32120212002201200111
4323233222231102
54023100221232
6243243511534
733560563261
oct7357525522
92525081614
101002351442
1147488a524
1223b8285aa
1312c881581
14971a05d8
155cee8047
hex3bbeab52

1002351442 has 8 divisors (see below), whose sum is σ = 1504791036. Its totient is φ = 500754432.

The previous prime is 1002351397. The next prime is 1002351443. The reversal of 1002351442 is 2441532001.

It can be written as a sum of positive squares in 2 ways, for example, as 940587561 + 61763881 = 30669^2 + 7859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1002351443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207663 + ... + 212434.

Almost surely, 21002351442 is an apocalyptic number.

1002351442 is a deficient number, since it is larger than the sum of its proper divisors (502439594).

1002351442 is a wasteful number, since it uses less digits than its factorization.

1002351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421292.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1002351442 is about 31659.9343334758. The cubic root of 1002351442 is about 1000.7832004369.

Adding to 1002351442 its reverse (2441532001), we get a palindrome (3443883443).

It can be divided in two parts, 10023514 and 42, that added together give a square (10023556 = 31662).

The spelling of 1002351442 in words is "one billion, two million, three hundred fifty-one thousand, four hundred forty-two".

Divisors: 1 2 1193 2386 420097 840194 501175721 1002351442