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10021002 = 2373137167
BaseRepresentation
bin100110001110…
…100010001010
3200212010020020
4212032202022
510031133002
6554441310
7151114515
oct46164212
920763206
1010021002
115724a22
123433236
1320cb2b4
14148bd7c
15d2e2bc
hex98e88a

10021002 has 32 divisors (see below), whose sum is σ = 20587392. Its totient is φ = 3250944.

The previous prime is 10021001. The next prime is 10021003. The reversal of 10021002 is 20012001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10021001) and next prime (10021003).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (10021001) 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, 59923 + ... + 60089.

It is an arithmetic number, because the mean of its divisors is an integer number (643356).

Almost surely, 210021002 is an apocalyptic number.

10021002 is an abundant number, since it is smaller than the sum of its proper divisors (10566390).

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

10021002 is a wasteful number, since it uses less digits than its factorization.

10021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10021002 is about 3165.5966262302. The cubic root of 10021002 is about 215.5941883300.

Adding to 10021002 its reverse (20012001), we get a palindrome (30033003).

Subtracting 10021002 from its reverse (20012001), we obtain a palindrome (9990999).

The spelling of 10021002 in words is "ten million, twenty-one thousand, two".

Divisors: 1 2 3 6 73 137 146 167 219 274 334 411 438 501 822 1002 10001 12191 20002 22879 24382 30003 36573 45758 60006 68637 73146 137274 1670167 3340334 5010501 10021002