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345732069 = 3253145533
BaseRepresentation
bin10100100110110…
…111001111100101
3220002120000020110
4110212313033211
51202001411234
654150123233
711365450134
oct2446671745
9802500213
10345732069
1116817a691
1297950519
13568206b7
1433cb991b
15205441e9
hex149b73e5

345732069 has 8 divisors (see below), whose sum is σ = 461168352. Its totient is φ = 230391920.

The previous prime is 345732061. The next prime is 345732103. The reversal of 345732069 is 960237543.

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 345732069 - 23 = 345732061 is a prime.

It is a super-2 number, since 2×3457320692 = 239061327070041522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345732061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15174 + ... + 30359.

It is an arithmetic number, because the mean of its divisors is an integer number (57646044).

Almost surely, 2345732069 is an apocalyptic number.

It is an amenable number.

345732069 is a deficient number, since it is larger than the sum of its proper divisors (115436283).

345732069 is a wasteful number, since it uses less digits than its factorization.

345732069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48067.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 345732069 is about 18593.8718130464. The cubic root of 345732069 is about 701.8536374762.

The spelling of 345732069 in words is "three hundred forty-five million, seven hundred thirty-two thousand, sixty-nine".

Divisors: 1 3 2531 7593 45533 136599 115244023 345732069