Search a number
-
+
190297608 = 23371181617
BaseRepresentation
bin10110101011110…
…11011000001000
3111021002010020120
423111323120020
5342204010413
630514423240
74500334344
oct1325733010
9437063216
10190297608
1198466456
1253891b20
133056b047
141b3b8624
1511a8e723
hexb57b608

190297608 has 64 divisors (see below), whose sum is σ = 485896320. Its totient is φ = 62092800.

The previous prime is 190297603. The next prime is 190297631. The reversal of 190297608 is 806792091.

190297608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1902976082 = 72426359221043328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190297608.

It is not an unprimeable number, because it can be changed into a prime (190297603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308116 + ... + 308732.

It is an arithmetic number, because the mean of its divisors is an integer number (7592130).

Almost surely, 2190297608 is an apocalyptic number.

It is an amenable number.

190297608 is an abundant number, since it is smaller than the sum of its proper divisors (295598712).

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

190297608 is a wasteful number, since it uses less digits than its factorization.

190297608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 190297608 is about 13794.8399048340. The cubic root of 190297608 is about 575.1897123217.

The spelling of 190297608 in words is "one hundred ninety million, two hundred ninety-seven thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 24 71 142 181 213 284 362 426 543 568 617 724 852 1086 1234 1448 1704 1851 2172 2468 3702 4344 4936 7404 12851 14808 25702 38553 43807 51404 77106 87614 102808 111677 131421 154212 175228 223354 262842 308424 335031 350456 446708 525684 670062 893416 1051368 1340124 2680248 7929067 15858134 23787201 31716268 47574402 63432536 95148804 190297608