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193902148 = 221131142157
BaseRepresentation
bin10111000111010…
…11011001000100
3111111212020202001
423203223121010
5344114332043
631123555044
74543066246
oct1343533104
9444766661
10193902148
119a4a8610
1254b2ba84
13312308cb
141ba76096
151205274d
hexb8eb644

193902148 has 24 divisors (see below), whose sum is σ = 382120704. Its totient is φ = 85293600.

The previous prime is 193902109. The next prime is 193902151. The reversal of 193902148 is 841209391.

193902148 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, 69715 + ... + 72442.

It is an arithmetic number, because the mean of its divisors is an integer number (15921696).

Almost surely, 2193902148 is an apocalyptic number.

It is an amenable number.

193902148 is a deficient number, since it is larger than the sum of its proper divisors (188218556).

193902148 is a wasteful number, since it uses less digits than its factorization.

193902148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142203 (or 142201 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 193902148 is about 13924.8751520436. The cubic root of 193902148 is about 578.7986907086.

The spelling of 193902148 in words is "one hundred ninety-three million, nine hundred two thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 142157 284314 568628 1563727 3127454 4406867 6254908 8813734 17627468 48475537 96951074 193902148