Search a number
-
+
190042286 = 27217373083
BaseRepresentation
bin10110101001111…
…01000010101110
3111020121011000012
423110331002232
5342122323121
630505133222
74465222100
oct1324750256
9436534005
10190042286
1198301645
125378a212
13304aba75
141b34d570
1511a3dc5b
hexb53d0ae

190042286 has 48 divisors (see below), whose sum is σ = 360716976. Its totient is φ = 74559744.

The previous prime is 190042283. The next prime is 190042289. The reversal of 190042286 is 682240091.

It is an interprime number because it is at equal distance from previous prime (190042283) and next prime (190042289).

It is a super-2 number, since 2×1900422862 = 72232140936211592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190042283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60101 + ... + 63183.

It is an arithmetic number, because the mean of its divisors is an integer number (7514937).

Almost surely, 2190042286 is an apocalyptic number.

190042286 is a deficient number, since it is larger than the sum of its proper divisors (170674690).

190042286 is a wasteful number, since it uses less digits than its factorization.

190042286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 190042286 is about 13785.5825411914. The cubic root of 190042286 is about 574.9323534786.

The spelling of 190042286 in words is "one hundred ninety million, forty-two thousand, two hundred eighty-six".

Divisors: 1 2 7 14 17 34 37 49 74 98 119 238 259 518 629 833 1258 1666 1813 3083 3626 4403 6166 8806 21581 30821 43162 52411 61642 104822 114071 151067 228142 302134 366877 733754 798497 1596994 1939207 2568139 3878414 5136278 5589479 11178958 13574449 27148898 95021143 190042286