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193028364 = 22325361899
BaseRepresentation
bin10111000000101…
…10000100001100
3111110012212010200
423200112010030
5343403401424
631053133500
74532466624
oct1340260414
9443185120
10193028364
1199a61081
125478a290
1330cb5c89
141b8c9884
1511e2d8c9
hexb81610c

193028364 has 18 divisors (see below), whose sum is σ = 487932900. Its totient is φ = 64342776.

The previous prime is 193028359. The next prime is 193028417. The reversal of 193028364 is 463820391.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5361899 = 193028364 / (1 + 9 + 3 + 0 + 2 + 8 + 3 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2680914 + ... + 2680985.

Almost surely, 2193028364 is an apocalyptic number.

It is an amenable number.

193028364 is an abundant number, since it is smaller than the sum of its proper divisors (294904536).

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

193028364 is a wasteful number, since it uses less digits than its factorization.

193028364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361909 (or 5361904 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 193028364 is about 13893.4647946436. The cubic root of 193028364 is about 577.9279652249.

The spelling of 193028364 in words is "one hundred ninety-three million, twenty-eight thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 5361899 10723798 16085697 21447596 32171394 48257091 64342788 96514182 193028364