[go: up one dir, main page]

Search a number
-
+
190671288 = 233232943277
BaseRepresentation
bin10110101110101…
…10100110111000
3111021210002211120
423113112212320
5342302440123
630530425240
74503451653
oct1327264670
9437702746
10190671288
11986a1185
1253a32220
133066c162
141b47489a
1511b152e3
hexb5d69b8

190671288 has 128 divisors (see below), whose sum is σ = 528422400. Its totient is φ = 57125376.

The previous prime is 190671287. The next prime is 190671307. The reversal of 190671288 is 882176091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190671287) 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, 688206 + ... + 688482.

It is an arithmetic number, because the mean of its divisors is an integer number (4128300).

Almost surely, 2190671288 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 190671288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264211200).

190671288 is an abundant number, since it is smaller than the sum of its proper divisors (337751112).

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

190671288 is a wasteful number, since it uses less digits than its factorization.

190671288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 190671288 is about 13808.3774571816. The cubic root of 190671288 is about 575.5659586997.

The spelling of 190671288 in words is "one hundred ninety million, six hundred seventy-one thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 29 43 46 58 69 86 87 92 116 129 138 172 174 184 232 258 276 277 344 348 516 552 554 667 696 831 989 1032 1108 1247 1334 1662 1978 2001 2216 2494 2668 2967 3324 3741 3956 4002 4988 5336 5934 6371 6648 7482 7912 8004 8033 9976 11868 11911 12742 14964 16008 16066 19113 23736 23822 24099 25484 28681 29928 32132 35733 38226 47644 48198 50968 57362 64264 71466 76452 86043 95288 96396 114724 142932 152904 172086 184759 192792 229448 273953 285864 344172 345419 369518 547906 554277 688344 690838 739036 821859 1036257 1095812 1108554 1381676 1478072 1643718 2072514 2191624 2217108 2763352 3287436 4145028 4434216 6574872 7944637 8290056 15889274 23833911 31778548 47667822 63557096 95335644 190671288