Search a number
2193494 = 28912323
BaseRepresentation
bin1000010111100001010110
311010102220112
420113201112
51030142434
6115003022
724434012
oct10274126
94112815
102193494
111269006
12899472
135ba534
14411542
152d4dce
hex217856

2193494 has 8 divisors (see below), whose sum is σ = 3327480. Its totient is φ = 1084336.

The previous prime is 2193481. The next prime is 2193509. The reversal of 2193494 is 4943912.

It is a happy number.

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

It is a super-2 number, since 2×21934942 = 9622831856072, which contains 22 as substring.

It is a d-powerful number, because it can be written as 211 + 1 + 92 + 313 + 43 + 96 + 48 .

It is a self number, because there is not a number n which added to its sum of digits gives 2193494.

It is a congruent number.

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, 5984 + ... + 6339.

It is an arithmetic number, because the mean of its divisors is an integer number (415935).

22193494 is an apocalyptic number.

2193494 is a deficient number, since it is larger than the sum of its proper divisors (1133986).

2193494 is a wasteful number, since it uses less digits than its factorization.

2193494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its digits is 7776, while the sum is 32.

The square root of 2193494 is about 1481.0449014125. The cubic root of 2193494 is about 129.9308113091.

The spelling of 2193494 in words is "two million, one hundred ninety-three thousand, four hundred ninety-four".

Divisors: 1 2 89 178 12323 24646 1096747 2193494