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34238057 = 7191272027
BaseRepresentation
bin1000001010011…
…0111001101001
32101102110210012
42002212321221
532231104212
63221501305
7564006260
oct202467151
971373705
1034238057
1118365617
12b571835
13712a009
1447935d7
153014922
hex20a6e69

34238057 has 16 divisors (see below), whose sum is σ = 41533440. Its totient is φ = 27569808.

The previous prime is 34238027. The next prime is 34238069. The reversal of 34238057 is 75083243.

It is a happy number.

It is not a de Polignac number, because 34238057 - 210 = 34237033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34238027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15878 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (2595840).

Almost surely, 234238057 is an apocalyptic number.

It is an amenable number.

34238057 is a deficient number, since it is larger than the sum of its proper divisors (7295383).

34238057 is a wasteful number, since it uses less digits than its factorization.

34238057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 34238057 is about 5851.3295070437. The cubic root of 34238057 is about 324.7155127838.

The spelling of 34238057 in words is "thirty-four million, two hundred thirty-eight thousand, fifty-seven".

Divisors: 1 7 19 127 133 889 2027 2413 14189 16891 38513 257429 269591 1802003 4891151 34238057