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20930196 = 22371714657
BaseRepresentation
bin100111111010…
…1111010010100
31110101100211110
41033311322110
520324231241
62024335020
7342621660
oct117657224
943340743
1020930196
11108a6191
127014470
13444a941
142acb8a0
151c86816
hex13f5e94

20930196 has 48 divisors (see below), whose sum is σ = 59101056. Its totient is φ = 5627904.

The previous prime is 20930183. The next prime is 20930201. The reversal of 20930196 is 69103902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5901 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (1231272).

Almost surely, 220930196 is an apocalyptic number.

It is an amenable number.

20930196 is an abundant number, since it is smaller than the sum of its proper divisors (38170860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20930196 is a wasteful number, since it uses less digits than its factorization.

20930196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688 (or 14686 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 20930196 is about 4574.9531145139. The cubic root of 20930196 is about 275.5863895093.

The spelling of 20930196 in words is "twenty million, nine hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 14657 29314 43971 58628 87942 102599 175884 205198 249169 307797 410396 498338 615594 747507 996676 1231188 1495014 1744183 2990028 3488366 5232549 6976732 10465098 20930196