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34472145 = 352298143
BaseRepresentation
bin1000001110000…
…0000011010001
32101212100220010
42003200003101
532311102040
63230505133
7566002611
oct203400321
971770803
1034472145
1118505484
12b6651a9
1371ac726
144814a41
15305de80
hex20e00d1

34472145 has 8 divisors (see below), whose sum is σ = 55155456. Its totient is φ = 18385136.

The previous prime is 34472131. The next prime is 34472149. The reversal of 34472145 is 54127443.

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 34472145 - 24 = 34472129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34472149) 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, 1149057 + ... + 1149086.

It is an arithmetic number, because the mean of its divisors is an integer number (6894432).

Almost surely, 234472145 is an apocalyptic number.

It is an amenable number.

34472145 is a deficient number, since it is larger than the sum of its proper divisors (20683311).

34472145 is a wasteful number, since it uses less digits than its factorization.

34472145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298151.

The product of its digits is 13440, while the sum is 30.

The square root of 34472145 is about 5871.2984083591. The cubic root of 34472145 is about 325.4538668600.

Adding to 34472145 its reverse (54127443), we get a palindrome (88599588).

The spelling of 34472145 in words is "thirty-four million, four hundred seventy-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 2298143 6894429 11490715 34472145