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4345213240 = 235197551423
BaseRepresentation
bin1000000101111111…
…01011000100111000
3102012211021200222201
410002333223010320
532344333310430
61555100555544
7212451463114
oct40277530470
912184250881
104345213240
11192a83a025
12a13252bb4
135432bcbc4
142d3136744
151a67158ca
hex102feb138

4345213240 has 32 divisors (see below), whose sum is σ = 9826375680. Its totient is φ = 1729259392.

The previous prime is 4345213217. The next prime is 4345213241. The reversal of 4345213240 is 423125434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4345213199 and 4345213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345213241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267832 + ... + 283591.

It is an arithmetic number, because the mean of its divisors is an integer number (307074240).

Almost surely, 24345213240 is an apocalyptic number.

4345213240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4345213240 is an abundant number, since it is smaller than the sum of its proper divisors (5481162440).

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

4345213240 is a wasteful number, since it uses less digits than its factorization.

4345213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551631 (or 551627 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4345213240 is about 65918.2314689950. The cubic root of 4345213240 is about 1631.8129100779.

Adding to 4345213240 its reverse (423125434), we get a palindrome (4768338674).

The spelling of 4345213240 in words is "four billion, three hundred forty-five million, two hundred thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 197 394 788 985 1576 1970 3940 7880 551423 1102846 2205692 2757115 4411384 5514230 11028460 22056920 108630331 217260662 434521324 543151655 869042648 1086303310 2172606620 4345213240