Search a number
-
+
190817514 = 23229393607
BaseRepresentation
bin10110101111110…
…10010011101010
3111022001112102100
423113322103222
5342322130024
630533514230
74504631166
oct1327722352
9438045370
10190817514
1198791028
1253aa2976
13306c0894
141b4b1ca6
1511b437c9
hexb5fa4ea

190817514 has 24 divisors (see below), whose sum is σ = 413693280. Its totient is φ = 63566568.

The previous prime is 190817507. The next prime is 190817519. The reversal of 190817514 is 415718091.

It is a super-2 number, since 2×1908175142 = 72822647298280392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190817519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51099 + ... + 54705.

It is an arithmetic number, because the mean of its divisors is an integer number (17237220).

Almost surely, 2190817514 is an apocalyptic number.

190817514 is an abundant number, since it is smaller than the sum of its proper divisors (222875766).

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

190817514 is a wasteful number, since it uses less digits than its factorization.

190817514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554 (or 6551 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 190817514 is about 13813.6712716063. The cubic root of 190817514 is about 575.7130551383.

The spelling of 190817514 in words is "one hundred ninety million, eight hundred seventeen thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 2939 3607 5878 7214 8817 10821 17634 21642 26451 32463 52902 64926 10600973 21201946 31802919 63605838 95408757 190817514