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193684074 = 23211152989
BaseRepresentation
bin10111000101101…
…10001001101010
3111111110011121020
423202312021222
5344040342244
631115153310
74541200413
oct1342661152
9444404536
10193684074
119a369791
1254a45836
133118557c
141ba1a80a
151200cd19
hexb8b626a

193684074 has 16 divisors (see below), whose sum is σ = 389206560. Its totient is φ = 64254960.

The previous prime is 193684033. The next prime is 193684097. The reversal of 193684074 is 470486391.

193684074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75229 + ... + 77760.

It is an arithmetic number, because the mean of its divisors is an integer number (24325410).

Almost surely, 2193684074 is an apocalyptic number.

193684074 is an abundant number, since it is smaller than the sum of its proper divisors (195522486).

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

193684074 is a wasteful number, since it uses less digits than its factorization.

193684074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153205.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 193684074 is about 13917.0425737654. The cubic root of 193684074 is about 578.5816253913.

The spelling of 193684074 in words is "one hundred ninety-three million, six hundred eighty-four thousand, seventy-four".

Divisors: 1 2 3 6 211 422 633 1266 152989 305978 458967 917934 32280679 64561358 96842037 193684074