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200454961 = 767742299
BaseRepresentation
bin10111111001010…
…11001100110001
3111222012011111211
423330223030301
5402304024321
631520240121
74652560540
oct1374531461
9458164454
10200454961
11a3173863
1257170041
13326b6405
141c8a0157
15128e90e1
hexbf2b331

200454961 has 8 divisors (see below), whose sum is σ = 229435200. Its totient is φ = 171560688.

The previous prime is 200454929. The next prime is 200455001. The reversal of 200454961 is 169454002.

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

It is a cyclic number.

It is not a de Polignac number, because 200454961 - 25 = 200454929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200454911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16411 + ... + 25888.

It is an arithmetic number, because the mean of its divisors is an integer number (28679400).

Almost surely, 2200454961 is an apocalyptic number.

It is an amenable number.

200454961 is a deficient number, since it is larger than the sum of its proper divisors (28980239).

200454961 is an equidigital number, since it uses as much as digits as its factorization.

200454961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42983.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 200454961 is about 14158.2117868042. The cubic root of 200454961 is about 585.2466498333.

It can be divided in two parts, 2004 and 54961, that added together give a palindrome (56965).

The spelling of 200454961 in words is "two hundred million, four hundred fifty-four thousand, nine hundred sixty-one".

Divisors: 1 7 677 4739 42299 296093 28636423 200454961