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2162204431 = 4019915441
BaseRepresentation
bin1000000011100000…
…1001111100001111
312120200120100212121
42000320021330033
513412011020211
6554315313411
7104403302002
oct20070117417
95520510777
102162204431
11a0a565212
1250414b867
13285c5a30a
1416723d539
15c9c53271
hex80e09f0f

2162204431 has 8 divisors (see below), whose sum is σ = 2170182528. Its totient is φ = 2154240000.

The previous prime is 2162204419. The next prime is 2162204437. The reversal of 2162204431 is 1344022612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2162204431 - 217 = 2162073359 is a prime.

It is a super-2 number, since 2×21622044312 = 9350256002872067522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2162204396 and 2162204405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162204437) 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, 394671 + ... + 400111.

It is an arithmetic number, because the mean of its divisors is an integer number (271272816).

Almost surely, 22162204431 is an apocalyptic number.

2162204431 is a deficient number, since it is larger than the sum of its proper divisors (7978097).

2162204431 is an equidigital number, since it uses as much as digits as its factorization.

2162204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2162204431 is about 46499.5100081711. The cubic root of 2162204431 is about 1293.1004147477.

The spelling of 2162204431 in words is "two billion, one hundred sixty-two million, two hundred four thousand, four hundred thirty-one".

Divisors: 1 401 991 5441 397391 2181841 5392031 2162204431