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200247061 = 7192109727
BaseRepresentation
bin10111110111110…
…00011100010101
3111221210121022211
423323320130111
5402230401221
631511553421
74651033450
oct1373703425
9457717284
10200247061
11a3041643
125708b871
13326428b1
141c848497
15128a76e1
hexbef8715

200247061 has 24 divisors (see below), whose sum is σ = 244083840. Its totient is φ = 160893216.

The previous prime is 200247053. The next prime is 200247077. The reversal of 200247061 is 160742002.

It is not a de Polignac number, because 200247061 - 23 = 200247053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200247031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275080 + ... + 275806.

It is an arithmetic number, because the mean of its divisors is an integer number (10170160).

Almost surely, 2200247061 is an apocalyptic number.

It is an amenable number.

200247061 is a deficient number, since it is larger than the sum of its proper divisors (43836779).

200247061 is a wasteful number, since it uses less digits than its factorization.

200247061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 200247061 is about 14150.8678532449. The cubic root of 200247061 is about 585.0442521374.

Adding to 200247061 its reverse (160742002), we get a palindrome (360989063).

The spelling of 200247061 in words is "two hundred million, two hundred forty-seven thousand, sixty-one".

Divisors: 1 7 19 109 133 361 727 763 2071 2527 5089 13813 14497 39349 79243 96691 262447 275443 554701 1505617 1837129 10539319 28606723 200247061