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345919030 = 2534591903
BaseRepresentation
bin10100100111100…
…100111000110110
3220002220111200221
4110213210320312
51202023402110
654154124554
711400156202
oct2447447066
9802814627
10345919030
111682980a6
1297a2075a
1356887822
1433d27b02
152057e7da
hex149e4e36

345919030 has 8 divisors (see below), whose sum is σ = 622654272. Its totient is φ = 138367608.

The previous prime is 345919019. The next prime is 345919033. The reversal of 345919030 is 30919543.

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

It is a super-2 number, since 2×3459190302 = 239319950632281800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345919033) 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, 17295942 + ... + 17295961.

It is an arithmetic number, because the mean of its divisors is an integer number (77831784).

Almost surely, 2345919030 is an apocalyptic number.

345919030 is a deficient number, since it is larger than the sum of its proper divisors (276735242).

345919030 is a wasteful number, since it uses less digits than its factorization.

345919030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34591910.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 345919030 is about 18598.8986233056. The cubic root of 345919030 is about 701.9801281161.

The spelling of 345919030 in words is "three hundred forty-five million, nine hundred nineteen thousand, thirty".

Divisors: 1 2 5 10 34591903 69183806 172959515 345919030