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2198402 = 22414561
BaseRepresentation
bin1000011000101110000010
311010200122022
420120232002
51030322102
6115041442
724454223
oct10305602
94120568
102198402
111271768
128a0282
135bc83b
1441324a
152d65a2
hex218b82

2198402 has 8 divisors (see below), whose sum is σ = 3312012. Its totient is φ = 1094400.

The previous prime is 2198401. The next prime is 2198407. The reversal of 2198402 is 2048912.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 5041 = 1481^2 + 71^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198401) 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, 1799 + ... + 2762.

22198402 is an apocalyptic number.

2198402 is a deficient number, since it is larger than the sum of its proper divisors (1113610).

2198402 is a wasteful number, since it uses less digits than its factorization.

2198402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2198402 is about 1482.7009138731. The cubic root of 2198402 is about 130.0276469799.

The spelling of 2198402 in words is "two million, one hundred ninety-eight thousand, four hundred two".

Divisors: 1 2 241 482 4561 9122 1099201 2198402