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2052311430 = 2351316731511
BaseRepresentation
bin111101001010011…
…1100100110000110
312022000210020000110
41322110330212012
513200342431210
6535352053450
7101600234151
oct17224744606
95260706013
102052311430
11963526a54
12493394286
13269261880
141567d4c98
15c0297420
hex7a53c986

2052311430 has 64 divisors (see below), whose sum is σ = 5336368128. Its totient is φ = 502143360.

The previous prime is 2052311423. The next prime is 2052311453. The reversal of 2052311430 is 341132502.

It is a junction number, because it is equal to n+sod(n) for n = 2052311397 and 2052311406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49375 + ... + 80885.

It is an arithmetic number, because the mean of its divisors is an integer number (83380752).

Almost surely, 22052311430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052311430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668184064).

2052311430 is an abundant number, since it is smaller than the sum of its proper divisors (3284056698).

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

2052311430 is a wasteful number, since it uses less digits than its factorization.

2052311430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2052311430 is about 45302.4439738079. The cubic root of 2052311430 is about 1270.8113586979.

Adding to 2052311430 its reverse (341132502), we get a palindrome (2393443932).

The spelling of 2052311430 in words is "two billion, fifty-two million, three hundred eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 167 195 334 390 501 835 1002 1670 2171 2505 4342 5010 6513 10855 13026 21710 31511 32565 63022 65130 94533 157555 189066 315110 409643 472665 819286 945330 1228929 2048215 2457858 4096430 5262337 6144645 10524674 12289290 15787011 26311685 31574022 52623370 68410381 78935055 136820762 157870110 205231143 342051905 410462286 684103810 1026155715 2052311430