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345720095 = 5712797723
BaseRepresentation
bin10100100110110…
…100010100011111
3220002112101210222
4110212310110133
51202001020340
654145551555
711365400210
oct2446642437
9802471728
10345720095
11168171696
12979455bb
1356818106
1433cb5407
15205408b5
hex149b451f

345720095 has 16 divisors (see below), whose sum is σ = 474562560. Its totient is φ = 236849184.

The previous prime is 345720073. The next prime is 345720097. The reversal of 345720095 is 590027543.

It is a cyclic number.

It is not a de Polignac number, because 345720095 - 214 = 345703711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345720097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40904 + ... + 48626.

It is an arithmetic number, because the mean of its divisors is an integer number (29660160).

Almost surely, 2345720095 is an apocalyptic number.

345720095 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345720095 is a deficient number, since it is larger than the sum of its proper divisors (128842465).

345720095 is a wasteful number, since it uses less digits than its factorization.

345720095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 345720095 is about 18593.5498224519. The cubic root of 345720095 is about 701.8455347735.

The spelling of 345720095 in words is "three hundred forty-five million, seven hundred twenty thousand, ninety-five".

Divisors: 1 5 7 35 1279 6395 7723 8953 38615 44765 54061 270305 9877717 49388585 69144019 345720095