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2130998 = 21497151
BaseRepresentation
bin1000001000010000110110
311000021011212
420020100312
51021142443
6113401422
724053552
oct10102066
94007155
102130998
111226061
12869272
13597c5c
143d6862
152c1618
hex208436

2130998 has 8 divisors (see below), whose sum is σ = 3218400. Its totient is φ = 1058200.

The previous prime is 2130979. The next prime is 2131013. The reversal of 2130998 is 8990312.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (402300).

22130998 is an apocalyptic number.

2130998 is a deficient number, since it is larger than the sum of its proper divisors (1087402).

2130998 is a wasteful number, since it uses less digits than its factorization.

2130998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2130998 is about 1459.7938210583. The cubic root of 2130998 is about 128.6849270560.

The spelling of 2130998 in words is "two million, one hundred thirty thousand, nine hundred ninety-eight".

Divisors: 1 2 149 298 7151 14302 1065499 2130998