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2102430 = 2351123277
BaseRepresentation
bin1000000001010010011110
310221210222210
420001102132
51014234210
6113021250
723604351
oct10012236
93853883
102102430
111206650
12854826
13587c55
143ca298
152b7e20
hex20149e

2102430 has 64 divisors (see below), whose sum is σ = 5764608. Its totient is φ = 485760.

The previous prime is 2102417. The next prime is 2102431. The reversal of 2102430 is 342012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7452 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (90072).

22102430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882304).

2102430 is an abundant number, since it is smaller than the sum of its proper divisors (3662178).

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

2102430 is a wasteful number, since it uses less digits than its factorization.

2102430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2102430 is about 1449.9758618681. The cubic root of 2102430 is about 128.1072912269.

Adding to 2102430 its reverse (342012), we get a palindrome (2444442).

The spelling of 2102430 in words is "two million, one hundred two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 138 165 230 253 277 330 345 506 554 690 759 831 1265 1385 1518 1662 2530 2770 3047 3795 4155 6094 6371 7590 8310 9141 12742 15235 18282 19113 30470 31855 38226 45705 63710 70081 91410 95565 140162 191130 210243 350405 420486 700810 1051215 2102430