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2172483 = 321991213
BaseRepresentation
bin1000010010011001000011
311002101002100
420102121003
51024004413
6114321443
724315525
oct10223103
94071070
102172483
111254245
12889283
135b0ac1
14407a15
152cda73
hex212643

2172483 has 12 divisors (see below), whose sum is σ = 3156400. Its totient is φ = 1439856.

The previous prime is 2172473. The next prime is 2172491. The reversal of 2172483 is 3842712.

It is not a de Polignac number, because 2172483 - 28 = 2172227 is a prime.

It is a Duffinian number.

2172483 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2172433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185 + ... + 2397.

22172483 is an apocalyptic number.

2172483 is a deficient number, since it is larger than the sum of its proper divisors (983917).

2172483 is a wasteful number, since it uses less digits than its factorization.

2172483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1415 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2172483 is about 1473.9345304321. The cubic root of 2172483 is about 129.5146199760.

It can be divided in two parts, 2172 and 483, that multiplied together give a triangular number (1049076 = T1448).

The spelling of 2172483 in words is "two million, one hundred seventy-two thousand, four hundred eighty-three".

Divisors: 1 3 9 199 597 1213 1791 3639 10917 241387 724161 2172483