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1002420433 = 7316768947
BaseRepresentation
bin111011101111111…
…011100011010001
32120212020020022201
4323233323203101
54023104423213
6243245203201
733561301360
oct7357734321
92525206281
101002420433
11474927343
1223b860501
1312c8a6ab1
14971bb7d7
155d00d6dd
hex3bbfb8d1

1002420433 has 16 divisors (see below), whose sum is σ = 1200246784. Its totient is φ = 819078480.

The previous prime is 1002420427. The next prime is 1002420469. The reversal of 1002420433 is 3340242001.

It is a cyclic number.

It is not a de Polignac number, because 1002420433 - 29 = 1002419921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002420433.

It is not an unprimeable number, because it can be changed into a prime (1002420413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19935 + ... + 49012.

It is an arithmetic number, because the mean of its divisors is an integer number (75015424).

Almost surely, 21002420433 is an apocalyptic number.

It is an amenable number.

1002420433 is a deficient number, since it is larger than the sum of its proper divisors (197826351).

1002420433 is an equidigital number, since it uses as much as digits as its factorization.

1002420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69052.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1002420433 is about 31661.0238779481. The cubic root of 1002420433 is about 1000.8061609299.

Adding to 1002420433 its reverse (3340242001), we get a palindrome (4342662434).

The spelling of 1002420433 in words is "one billion, two million, four hundred twenty thousand, four hundred thirty-three".

Divisors: 1 7 31 67 217 469 2077 14539 68947 482629 2137357 4619449 14961499 32336143 143202919 1002420433