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199953741 = 31343119233
BaseRepresentation
bin10111110101100…
…00110101001101
3111221020200222010
423322300311031
5402142004431
631501411433
74645402341
oct1372606515
9457220863
10199953741
11a2961229
1256b69b79
133256c230
141c7ad621
151284a846
hexbeb0d4d

199953741 has 16 divisors (see below), whose sum is σ = 293792576. Its totient is φ = 120185856.

The previous prime is 199953727. The next prime is 199953769. The reversal of 199953741 is 147359991.

It is not a de Polignac number, because 199953741 - 25 = 199953709 is a prime.

It is the 14141-st Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199953781) by changing a digit.

It is a nontrivial repunit in base 14140.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57940 + ... + 61293.

It is an arithmetic number, because the mean of its divisors is an integer number (18362036).

Almost surely, 2199953741 is an apocalyptic number.

It is an amenable number.

199953741 is a deficient number, since it is larger than the sum of its proper divisors (93838835).

199953741 is a wasteful number, since it uses less digits than its factorization.

199953741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119292.

The product of its digits is 306180, while the sum is 48.

The square root of 199953741 is about 14140.5000265196. The cubic root of 199953741 is about 584.7584567871.

The spelling of 199953741 in words is "one hundred ninety-nine million, nine hundred fifty-three thousand, seven hundred forty-one".

Divisors: 1 3 13 39 43 129 559 1677 119233 357699 1550029 4650087 5127019 15381057 66651247 199953741