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2169434 = 27971361
BaseRepresentation
bin1000010001101001011010
311002012220102
420101221122
51023410214
6114255402
724303611
oct10215132
94065812
102169434
111251a23
12887562
135ac5b7
14406878
152ccbde
hex211a5a

2169434 has 8 divisors (see below), whose sum is σ = 3260628. Its totient is φ = 1082560.

The previous prime is 2169397. The next prime is 2169443. The reversal of 2169434 is 4349612.

It can be written as a sum of positive squares in 2 ways, for example, as 2093809 + 75625 = 1447^2 + 275^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2169397 and 2169406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 2274.

22169434 is an apocalyptic number.

2169434 is a deficient number, since it is larger than the sum of its proper divisors (1091194).

2169434 is a wasteful number, since it uses less digits than its factorization.

2169434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160.

The product of its digits is 5184, while the sum is 29.

The square root of 2169434 is about 1472.8998608188. The cubic root of 2169434 is about 129.4540019400.

The spelling of 2169434 in words is "two million, one hundred sixty-nine thousand, four hundred thirty-four".

Divisors: 1 2 797 1361 1594 2722 1084717 2169434