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42177057 = 3132933691
BaseRepresentation
bin1010000011100…
…1001000100001
32221100211001020
42200321020201
541244131212
64104000053
71021333116
oct240711041
987324036
1042177057
112189827a
1212160029
138979750
14585c90d
153a81d8c
hex2839221

42177057 has 16 divisors (see below), whose sum is σ = 60785088. Its totient is φ = 25859520.

The previous prime is 42177007. The next prime is 42177061. The reversal of 42177057 is 75077124.

It is a happy number.

It is not a de Polignac number, because 42177057 - 26 = 42176993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42177007) 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, 9582 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (3799068).

Almost surely, 242177057 is an apocalyptic number.

It is an amenable number.

42177057 is a deficient number, since it is larger than the sum of its proper divisors (18608031).

42177057 is a wasteful number, since it uses less digits than its factorization.

42177057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 42177057 is about 6494.3865761133. The cubic root of 42177057 is about 348.0904359359.

The spelling of 42177057 in words is "forty-two million, one hundred seventy-seven thousand, fifty-seven".

Divisors: 1 3 13 39 293 879 3691 3809 11073 11427 47983 143949 1081463 3244389 14059019 42177057