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4312400620 = 2251119601821
BaseRepresentation
bin1000000010000101…
…00000001011101100
3102010112112122112111
410001002200023230
532312433304440
61551525413404
7211602541363
oct40102401354
912115478474
104312400620
111913268460
12a0426a264
13539571958
142cca347da
151a38d34ea
hex1010a02ec

4312400620 has 24 divisors (see below), whose sum is σ = 9879318288. Its totient is φ = 1568145600.

The previous prime is 4312400611. The next prime is 4312400621. The reversal of 4312400620 is 260042134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4312400591 and 4312400600.

It is not an unprimeable number, because it can be changed into a prime (4312400621) 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, 9800691 + ... + 9801130.

It is an arithmetic number, because the mean of its divisors is an integer number (411638262).

Almost surely, 24312400620 is an apocalyptic number.

It is an amenable number.

4312400620 is an abundant number, since it is smaller than the sum of its proper divisors (5566917668).

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

4312400620 is a wasteful number, since it uses less digits than its factorization.

4312400620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19601841 (or 19601839 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4312400620 is about 65668.8710120709. The cubic root of 4312400620 is about 1627.6950144756.

Adding to 4312400620 its reverse (260042134), we get a palindrome (4572442754).

The spelling of 4312400620 in words is "four billion, three hundred twelve million, four hundred thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 19601821 39203642 78407284 98009105 196018210 215620031 392036420 431240062 862480124 1078100155 2156200310 4312400620