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34270145 = 5713109691
BaseRepresentation
bin1000001010111…
…0101111000001
32101111002210122
42002232233001
532233121040
63222310025
7564201650
oct202565701
971432718
1034270145
1118387738
12b588315
13713b7c0
1447a1197
15301e1b5
hex20aebc1

34270145 has 32 divisors (see below), whose sum is σ = 51152640. Its totient is φ = 21461760.

The previous prime is 34270127. The next prime is 34270151. The reversal of 34270145 is 54107243.

It is not a de Polignac number, because 34270145 - 26 = 34270081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49250 + ... + 49940.

It is an arithmetic number, because the mean of its divisors is an integer number (1598520).

Almost surely, 234270145 is an apocalyptic number.

34270145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34270145 is a deficient number, since it is larger than the sum of its proper divisors (16882495).

34270145 is a wasteful number, since it uses less digits than its factorization.

34270145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 34270145 is about 5854.0708058581. The cubic root of 34270145 is about 324.8169225301.

Adding to 34270145 its reverse (54107243), we get a palindrome (88377388).

The spelling of 34270145 in words is "thirty-four million, two hundred seventy thousand, one hundred forty-five".

Divisors: 1 5 7 13 35 65 91 109 455 545 691 763 1417 3455 3815 4837 7085 8983 9919 24185 44915 49595 62881 75319 314405 376595 527233 979147 2636165 4895735 6854029 34270145