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199950703 = 866323081
BaseRepresentation
bin10111110101100…
…00000101101111
3111221020112210121
423322300011233
5402141410303
631501345411
74645360441
oct1372600557
9457215717
10199950703
11a2959a17
1256b68267
133256aa34
141c7ac491
15128499bd
hexbeb016f

199950703 has 4 divisors (see below), whose sum is σ = 199982448. Its totient is φ = 199918960.

The previous prime is 199950691. The next prime is 199950749. The reversal of 199950703 is 307059991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-199950703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199950703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199950763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878 + ... + 20203.

It is an arithmetic number, because the mean of its divisors is an integer number (49995612).

Almost surely, 2199950703 is an apocalyptic number.

199950703 is a deficient number, since it is larger than the sum of its proper divisors (31745).

199950703 is an equidigital number, since it uses as much as digits as its factorization.

199950703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31744.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 199950703 is about 14140.3926041677. The cubic root of 199950703 is about 584.7554952601.

The spelling of 199950703 in words is "one hundred ninety-nine million, nine hundred fifty thousand, seven hundred three".

Divisors: 1 8663 23081 199950703