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192944155 = 5314197313
BaseRepresentation
bin10111000000000…
…01100000011011
3111110001120121211
423200001200123
5343343203110
631051243551
74531666255
oct1340014033
9443046554
10192944155
1199a03888
12547495b7
1330c86851
141b8a6cd5
1511e1398a
hexb80181b

192944155 has 32 divisors (see below), whose sum is σ = 248145408. Its totient is φ = 143769600.

The previous prime is 192944153. The next prime is 192944161. The reversal of 192944155 is 551449291.

It is not a de Polignac number, because 192944155 - 21 = 192944153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192944153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616279 + ... + 616591.

It is an arithmetic number, because the mean of its divisors is an integer number (7754544).

Almost surely, 2192944155 is an apocalyptic number.

192944155 is a deficient number, since it is larger than the sum of its proper divisors (55201253).

192944155 is a wasteful number, since it uses less digits than its factorization.

192944155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 64800, while the sum is 40.

The square root of 192944155 is about 13890.4339385060. The cubic root of 192944155 is about 577.8439122673.

The spelling of 192944155 in words is "one hundred ninety-two million, nine hundred forty-four thousand, one hundred fifty-five".

Divisors: 1 5 31 41 97 155 205 313 485 1271 1565 3007 3977 6355 9703 12833 15035 19885 30361 48515 64165 123287 151805 397823 616435 941191 1244801 1989115 4705955 6224005 38588831 192944155