Search a number
-
+
345312545 = 55910910739
BaseRepresentation
bin10100100101010…
…000110100100001
3220001202200202112
4110211100310201
51201400000140
654133125105
711362052054
oct2445206441
9801680675
10345312545
11167a13476
1297789795
1356704766
1433c0aa9b
15204aec65
hex14950d21

345312545 has 16 divisors (see below), whose sum is σ = 425304000. Its totient is φ = 269051328.

The previous prime is 345312533. The next prime is 345312559. The reversal of 345312545 is 545213543.

It is a happy number.

It is not a de Polignac number, because 345312545 - 228 = 76877089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26786 + ... + 37524.

It is an arithmetic number, because the mean of its divisors is an integer number (26581500).

Almost surely, 2345312545 is an apocalyptic number.

It is an amenable number.

345312545 is a deficient number, since it is larger than the sum of its proper divisors (79991455).

345312545 is a wasteful number, since it uses less digits than its factorization.

345312545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912.

The product of its digits is 36000, while the sum is 32.

The square root of 345312545 is about 18582.5871449591. The cubic root of 345312545 is about 701.5696375730.

The spelling of 345312545 in words is "three hundred forty-five million, three hundred twelve thousand, five hundred forty-five".

Divisors: 1 5 59 109 295 545 6431 10739 32155 53695 633601 1170551 3168005 5852755 69062509 345312545