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3481801309 = 7497400187
BaseRepresentation
bin1100111110001000…
…0001001001011101
322222122121211111001
43033202001021131
524112320120214
61333255030301
7152165552140
oct31742011135
98878554431
103481801309
111527427948
1281206b391
1343646707c
142505c2057
15155a14c74
hexcf88125d

3481801309 has 4 divisors (see below), whose sum is σ = 3979201504. Its totient is φ = 2984401116.

The previous prime is 3481801291. The next prime is 3481801321. The reversal of 3481801309 is 9031081843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3481801309 - 27 = 3481801181 is a prime.

It is a super-2 number, since 2×34818013092 = 24245880710708226962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481801009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248700087 + ... + 248700100.

It is an arithmetic number, because the mean of its divisors is an integer number (994800376).

Almost surely, 23481801309 is an apocalyptic number.

It is an amenable number.

3481801309 is a deficient number, since it is larger than the sum of its proper divisors (497400195).

3481801309 is an equidigital number, since it uses as much as digits as its factorization.

3481801309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497400194.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 3481801309 is about 59006.7903634827. The cubic root of 3481801309 is about 1515.6583905799.

The spelling of 3481801309 in words is "three billion, four hundred eighty-one million, eight hundred one thousand, three hundred nine".

Divisors: 1 7 497400187 3481801309