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345502423 = 7109452821
BaseRepresentation
bin10100100101111…
…111001011010111
3220002010100020001
4110211333023113
51201422034143
654141152131
711363502460
oct2445771327
9802110201
10345502423
111680330a2
129785b647
1356770006
1433c59d67
15204eb14d
hex1497f2d7

345502423 has 8 divisors (see below), whose sum is σ = 398483360. Its totient is φ = 293427360.

The previous prime is 345502369. The next prime is 345502427. The reversal of 345502423 is 324205543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345502423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345502391 and 345502400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345502427) 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, 225648 + ... + 227173.

It is an arithmetic number, because the mean of its divisors is an integer number (49810420).

Almost surely, 2345502423 is an apocalyptic number.

345502423 is a deficient number, since it is larger than the sum of its proper divisors (52980937).

345502423 is a wasteful number, since it uses less digits than its factorization.

345502423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452937.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 345502423 is about 18587.6954730811. The cubic root of 345502423 is about 701.6982053805.

Adding to 345502423 its reverse (324205543), we get a palindrome (669707966).

The spelling of 345502423 in words is "three hundred forty-five million, five hundred two thousand, four hundred twenty-three".

Divisors: 1 7 109 763 452821 3169747 49357489 345502423