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196348909 = 3473791493
BaseRepresentation
bin10111011010000…
…00101111101101
3111200110120001211
423231000233231
5400231131114
631252234421
74602636541
oct1355005755
9450416054
10196348909
11a0919929
125590ba11
13318a94b3
141c111a21
15123876c4
hexbb40bed

196348909 has 8 divisors (see below), whose sum is σ = 197566560. Its totient is φ = 195135696.

The previous prime is 196348883. The next prime is 196348921. The reversal of 196348909 is 909843691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196348909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196348979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130767 + ... + 132259.

It is an arithmetic number, because the mean of its divisors is an integer number (24695820).

Almost surely, 2196348909 is an apocalyptic number.

It is an amenable number.

196348909 is a deficient number, since it is larger than the sum of its proper divisors (1217651).

196348909 is a wasteful number, since it uses less digits than its factorization.

196348909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 196348909 is about 14012.4554950230. The cubic root of 196348909 is about 581.2230522983.

The spelling of 196348909 in words is "one hundred ninety-six million, three hundred forty-eight thousand, nine hundred nine".

Divisors: 1 347 379 1493 131513 518071 565847 196348909