Search a number
-
+
190022946 = 2341772451
BaseRepresentation
bin10110101001110…
…00010100100010
3111020120011110220
423110320110202
5342121213241
630504503510
74465111521
oct1324702442
9436504426
10190022946
1198299063
125377ab96
13304a3019
141b3464b8
1511a38166
hexb538522

190022946 has 16 divisors (see below), whose sum is σ = 389315808. Its totient is φ = 61796000.

The previous prime is 190022879. The next prime is 190022951. The reversal of 190022946 is 649220091.

It is a super-2 number, since 2×1900229462 = 72217440013037832, which contains 22 as substring.

It is a Curzon number.

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, 385980 + ... + 386471.

It is an arithmetic number, because the mean of its divisors is an integer number (24332238).

Almost surely, 2190022946 is an apocalyptic number.

190022946 is an abundant number, since it is smaller than the sum of its proper divisors (199292862).

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

190022946 is a wasteful number, since it uses less digits than its factorization.

190022946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772497.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 190022946 is about 13784.8810658634. The cubic root of 190022946 is about 574.9128498037.

It can be divided in two parts, 1900229 and 46, that added together give a triangular number (1900275 = T1949).

The spelling of 190022946 in words is "one hundred ninety million, twenty-two thousand, nine hundred forty-six".

Divisors: 1 2 3 6 41 82 123 246 772451 1544902 2317353 4634706 31670491 63340982 95011473 190022946