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211002102 = 23283141233
BaseRepresentation
bin11001001001110…
…10001011110110
3112201001000110200
430210322023312
5413004031402
632534301330
75141326323
oct1444721366
9481030420
10211002102
11a9118003
125a7b7846
133493a01c
1420047b4a
15137ce21c
hexc93a2f6

211002102 has 24 divisors (see below), whose sum is σ = 462682584. Its totient is φ = 69486144.

The previous prime is 211002101. The next prime is 211002107. The reversal of 211002102 is 201200112.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69123 + ... + 72110.

It is an arithmetic number, because the mean of its divisors is an integer number (19278441).

Almost surely, 2211002102 is an apocalyptic number.

211002102 is an abundant number, since it is smaller than the sum of its proper divisors (251680482).

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

211002102 is a wasteful number, since it uses less digits than its factorization.

211002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141324 (or 141321 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 211002102 is about 14525.9113999776. The cubic root of 211002102 is about 595.3361582306.

Adding to 211002102 its reverse (201200112), we get a palindrome (412202214).

The spelling of 211002102 in words is "two hundred eleven million, two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 83 166 249 498 747 1494 141233 282466 423699 847398 1271097 2542194 11722339 23444678 35167017 70334034 105501051 211002102