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42705175 = 521708207
BaseRepresentation
bin1010001011101…
…0000100010111
32222100122111011
42202322010113
541413031200
64123153051
71025662612
oct242720427
988318434
1042705175
1122119037
1212375787
138b02c46
145959179
153b385ba
hex28ba117

42705175 has 6 divisors (see below), whose sum is σ = 52954448. Its totient is φ = 34164120.

The previous prime is 42705161. The next prime is 42705193. The reversal of 42705175 is 57150724.

It is not a de Polignac number, because 42705175 - 215 = 42672407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 854079 + ... + 854128.

Almost surely, 242705175 is an apocalyptic number.

42705175 is a deficient number, since it is larger than the sum of its proper divisors (10249273).

42705175 is a wasteful number, since it uses less digits than its factorization.

42705175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708217 (or 1708212 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 42705175 is about 6534.9196628574. The cubic root of 42705175 is about 349.5372796829.

Adding to 42705175 its reverse (57150724), we get a palindrome (99855899).

The spelling of 42705175 in words is "forty-two million, seven hundred five thousand, one hundred seventy-five".

Divisors: 1 5 25 1708207 8541035 42705175