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199740103 = 1946722511
BaseRepresentation
bin10111110011111…
…00101011000111
3111220211211220121
423321330223013
5402113140403
631453042411
74643522443
oct1371745307
9456754817
10199740103
11a2825772
1256a86407
13324c5c14
141c755823
15128073bd
hexbe7cac7

199740103 has 8 divisors (see below), whose sum is σ = 210712320. Its totient is φ = 188813880.

The previous prime is 199740071. The next prime is 199740113. The reversal of 199740103 is 301047991.

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 199740103 - 25 = 199740071 is a prime.

It is a super-2 number, since 2×1997401032 = 79792217492901218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199740113) 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, 2383 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (26339040).

Almost surely, 2199740103 is an apocalyptic number.

199740103 is a deficient number, since it is larger than the sum of its proper divisors (10972217).

199740103 is a wasteful number, since it uses less digits than its factorization.

199740103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22997.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 199740103 is about 14132.9438900747. The cubic root of 199740103 is about 584.5501233578.

The spelling of 199740103 in words is "one hundred ninety-nine million, seven hundred forty thousand, one hundred three".

Divisors: 1 19 467 8873 22511 427709 10512637 199740103