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193206412 = 2273532657
BaseRepresentation
bin10111000010000…
…01100010001100
3111110112220101001
423201001202030
5343430101122
631101030044
74534141000
oct1341014214
9443486331
10193206412
119a072923
1254855324
1331049029
141b934700
1511e66527
hexb84188c

193206412 has 48 divisors (see below), whose sum is σ = 401889600. Its totient is φ = 81209856.

The previous prime is 193206401. The next prime is 193206427. The reversal of 193206412 is 214602391.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 71388 + ... + 74044.

It is an arithmetic number, because the mean of its divisors is an integer number (8372700).

Almost surely, 2193206412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193206412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200944800).

193206412 is an abundant number, since it is smaller than the sum of its proper divisors (208683188).

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

193206412 is a wasteful number, since it uses less digits than its factorization.

193206412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 193206412 is about 13899.8709346526. The cubic root of 193206412 is about 578.1056028437.

The spelling of 193206412 in words is "one hundred ninety-three million, two hundred six thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 53 98 106 196 212 343 371 686 742 1372 1484 2597 2657 5194 5314 10388 10628 18179 18599 36358 37198 72716 74396 130193 140821 260386 281642 520772 563284 911351 985747 1822702 1971494 3645404 3942988 6900229 13800458 27600916 48301603 96603206 193206412