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200147998 = 2100073999
BaseRepresentation
bin10111110111000…
…00010000011110
3111221121120102211
423323200100132
5402214213443
631505511034
74650141601
oct1373402036
9457546384
10200147998
11a2a84176
125704247a
133260978b
141c820338
151288819d
hexbee041e

200147998 has 4 divisors (see below), whose sum is σ = 300222000. Its totient is φ = 100073998.

The previous prime is 200147993. The next prime is 200147999. The reversal of 200147998 is 899741002.

200147998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2001479983 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 200147998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200147993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50036998 + ... + 50037001.

It is an arithmetic number, because the mean of its divisors is an integer number (75055500).

Almost surely, 2200147998 is an apocalyptic number.

200147998 is a deficient number, since it is larger than the sum of its proper divisors (100074002).

200147998 is a wasteful number, since it uses less digits than its factorization.

200147998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100074001.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 200147998 is about 14147.3671755560. The cubic root of 200147998 is about 584.9477616685.

The spelling of 200147998 in words is "two hundred million, one hundred forty-seven thousand, nine hundred ninety-eight".

Divisors: 1 2 100073999 200147998