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196709408 = 257878167
BaseRepresentation
bin10111011100110…
…00110000100000
3111201010212120122
423232120300200
5400324200113
631304055412
74606000550
oct1356306040
9451125518
10196709408
11a1045765
1255a64568
13319a45cc
141c1a7160
1512409408
hexbb98c20

196709408 has 24 divisors (see below), whose sum is σ = 442596672. Its totient is φ = 84303936.

The previous prime is 196709399. The next prime is 196709417. The reversal of 196709408 is 804907691.

It is an interprime number because it is at equal distance from previous prime (196709399) and next prime (196709417).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438860 + ... + 439307.

It is an arithmetic number, because the mean of its divisors is an integer number (18441528).

Almost surely, 2196709408 is an apocalyptic number.

It is an amenable number.

196709408 is an abundant number, since it is smaller than the sum of its proper divisors (245887264).

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

196709408 is an equidigital number, since it uses as much as digits as its factorization.

196709408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878184 (or 878176 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 196709408 is about 14025.3131159343. The cubic root of 196709408 is about 581.5785457027.

The spelling of 196709408 in words is "one hundred ninety-six million, seven hundred nine thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 878167 1756334 3512668 6147169 7025336 12294338 14050672 24588676 28101344 49177352 98354704 196709408