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1420198 = 21354623
BaseRepresentation
bin101011010101110100110
32200011010221
411122232212
5330421243
650234554
715033343
oct5325646
92604127
101420198
1189001a
12585a5a
133a9570
1428d7ca
151d0bed
hex15aba6

1420198 has 8 divisors (see below), whose sum is σ = 2294208. Its totient is φ = 655464.

The previous prime is 1420169. The next prime is 1420201. The reversal of 1420198 is 8910241.

It is a happy number.

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

1420198 is a modest number, since divided by 198 gives 142 as remainder.

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, 27286 + ... + 27337.

It is an arithmetic number, because the mean of its divisors is an integer number (286776).

21420198 is an apocalyptic number.

1420198 is a deficient number, since it is larger than the sum of its proper divisors (874010).

1420198 is a wasteful number, since it uses less digits than its factorization.

1420198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54638.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1420198 is about 1191.7206048399. The cubic root of 1420198 is about 112.4043104015.

The spelling of 1420198 in words is "one million, four hundred twenty thousand, one hundred ninety-eight".

Divisors: 1 2 13 26 54623 109246 710099 1420198