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198064730 = 25236712853
BaseRepresentation
bin10111100111000…
…11101001011010
3111210200201201202
423303203221122
5401201032410
631353114202
74623344123
oct1363435132
9453621652
10198064730
11a1890a66
12563b8962
133205a486
141c43b04a
15125c5ca5
hexbce3a5a

198064730 has 32 divisors (see below), whose sum is σ = 377599104. Its totient is φ = 74644416.

The previous prime is 198064717. The next prime is 198064733. The reversal of 198064730 is 37460891.

198064730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198064733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8984 + ... + 21836.

It is an arithmetic number, because the mean of its divisors is an integer number (11799972).

Almost surely, 2198064730 is an apocalyptic number.

198064730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198064730 is a deficient number, since it is larger than the sum of its proper divisors (179534374).

198064730 is a wasteful number, since it uses less digits than its factorization.

198064730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 198064730 is about 14073.5471719109. The cubic root of 198064730 is about 582.9111761013.

The spelling of 198064730 in words is "one hundred ninety-eight million, sixty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 23 46 67 115 134 230 335 670 1541 3082 7705 12853 15410 25706 64265 128530 295619 591238 861151 1478095 1722302 2956190 4305755 8611510 19806473 39612946 99032365 198064730