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20954103 = 319935099
BaseRepresentation
bin100111111101…
…1101111110111
31110102120121220
41033323233313
520331012403
62025041423
7343051452
oct117735767
943376556
1020954103
1110912145
127026273
1344587a1
142ad6499
151c8d953
hex13fbbf7

20954103 has 8 divisors (see below), whose sum is σ = 28080000. Its totient is φ = 13898808.

The previous prime is 20954083. The next prime is 20954107. The reversal of 20954103 is 30145902.

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

It is not a de Polignac number, because 20954103 - 218 = 20691959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954107) 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, 16953 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (3510000).

Almost surely, 220954103 is an apocalyptic number.

20954103 is a deficient number, since it is larger than the sum of its proper divisors (7125897).

20954103 is a wasteful number, since it uses less digits than its factorization.

20954103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20954103 is about 4577.5651824960. The cubic root of 20954103 is about 275.6912768359.

The spelling of 20954103 in words is "twenty million, nine hundred fifty-four thousand, one hundred three".

Divisors: 1 3 199 597 35099 105297 6984701 20954103