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872022433 = 1515774983
BaseRepresentation
bin110011111110100…
…000000110100001
32020202212022220011
4303332200012201
53241214204213
6222310244521
730416032312
oct6376400641
92222768804
10872022433
114082633a7
12204056741
1310b87c109
1483b56609
155185203d
hex33fa01a1

872022433 has 4 divisors (see below), whose sum is σ = 877797568. Its totient is φ = 866247300.

The previous prime is 872022421. The next prime is 872022493. The reversal of 872022433 is 334220278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-872022433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872022395 and 872022404.

It is not an unprimeable number, because it can be changed into a prime (872022493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887341 + ... + 2887642.

It is an arithmetic number, because the mean of its divisors is an integer number (219449392).

Almost surely, 2872022433 is an apocalyptic number.

It is an amenable number.

872022433 is a deficient number, since it is larger than the sum of its proper divisors (5775135).

872022433 is a wasteful number, since it uses less digits than its factorization.

872022433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775134.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 872022433 is about 29530.0259566428. The cubic root of 872022433 is about 955.3794287373.

The spelling of 872022433 in words is "eight hundred seventy-two million, twenty-two thousand, four hundred thirty-three".

Divisors: 1 151 5774983 872022433