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690062106 = 23283406397
BaseRepresentation
bin101001001000011…
…000001100011010
31210002110210020210
4221020120030122
52403123441411
6152250231550
723046300606
oct5110301432
91702423223
10690062106
11324581968
121731255b6
13acc6cb96
146790c506
15408acca6
hex2921831a

690062106 has 16 divisors (see below), whose sum is σ = 1385004384. Its totient is φ = 229207344.

The previous prime is 690062101. The next prime is 690062117. The reversal of 690062106 is 601260096.

It is not an unprimeable number, because it can be changed into a prime (690062101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201501 + ... + 204896.

It is an arithmetic number, because the mean of its divisors is an integer number (86562774).

Almost surely, 2690062106 is an apocalyptic number.

690062106 is an abundant number, since it is smaller than the sum of its proper divisors (694942278).

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

690062106 is a wasteful number, since it uses less digits than its factorization.

690062106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406685.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 690062106 is about 26269.0332140336. The cubic root of 690062106 is about 883.6821036740.

It can be divided in two parts, 6900 and 62106, that added together give a triangular number (69006 = T371).

The spelling of 690062106 in words is "six hundred ninety million, sixty-two thousand, one hundred six".

Divisors: 1 2 3 6 283 566 849 1698 406397 812794 1219191 2438382 115010351 230020702 345031053 690062106