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2140204430 = 257138292837
BaseRepresentation
bin111111110010000…
…1110110110001110
312112011011122112202
41333210032312032
513340343020210
6552212001502
7104015303030
oct17744166616
95464148482
102140204430
119a90a92a1
124b8900292
13281526770
14164353c50
15c7d599a5
hex7f90ed8e

2140204430 has 64 divisors (see below), whose sum is σ = 4748768640. Its totient is φ = 676283904.

The previous prime is 2140204421. The next prime is 2140204463. The reversal of 2140204430 is 344020412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752972 + ... + 755808.

It is an arithmetic number, because the mean of its divisors is an integer number (74199510).

Almost surely, 22140204430 is an apocalyptic number.

2140204430 is an abundant number, since it is smaller than the sum of its proper divisors (2608564210).

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

2140204430 is a wasteful number, since it uses less digits than its factorization.

2140204430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140204430 is about 46262.3435420213. The cubic root of 2140204430 is about 1288.6997755824.

Adding to 2140204430 its reverse (344020412), we get a palindrome (2484224842).

The spelling of 2140204430 in words is "two billion, one hundred forty million, two hundred four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 829 910 1658 2837 4145 5674 5803 8290 10777 11606 14185 19859 21554 28370 29015 36881 39718 53885 58030 73762 75439 99295 107770 150878 184405 198590 258167 368810 377195 516334 754390 1290835 2351873 2581670 4703746 11759365 16463111 23518730 30574349 32926222 61148698 82315555 152871745 164631110 214020443 305743490 428040886 1070102215 2140204430