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3490198391 = 15724192243
BaseRepresentation
bin1101000000001000…
…0011001101110111
3100000020102110010002
43100002003031313
524121442322031
61334155021515
7152330124341
oct32002031567
910006373102
103490198391
111531142789
12814a3a89b
13438117164
1425176a291
15156622ccb
hexd0083377

3490198391 has 8 divisors (see below), whose sum is σ = 3527041584. Its totient is φ = 3453540480.

The previous prime is 3490198381. The next prime is 3490198403. The reversal of 3490198391 is 1938910943.

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

It is a cyclic number.

It is not a de Polignac number, because 3490198391 - 210 = 3490197367 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 (3490198381) 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, 8285 + ... + 83958.

It is an arithmetic number, because the mean of its divisors is an integer number (440880198).

Almost surely, 23490198391 is an apocalyptic number.

3490198391 is a deficient number, since it is larger than the sum of its proper divisors (36843193).

3490198391 is a wasteful number, since it uses less digits than its factorization.

3490198391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92641.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 3490198391 is about 59077.9010375284. The cubic root of 3490198391 is about 1516.8758533240.

The spelling of 3490198391 in words is "three billion, four hundred ninety million, one hundred ninety-eight thousand, three hundred ninety-one".

Divisors: 1 157 241 37837 92243 14482151 22230563 3490198391