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166242795 = 3511082853
BaseRepresentation
bin10011110100010…
…10100111101011
3102120211000020120
421322022213223
5320024232140
624255054323
74056016605
oct1172124753
9376730216
10166242795
1185926744
12478113a3
1328598124
1418116175
15e8dc1d0
hex9e8a9eb

166242795 has 8 divisors (see below), whose sum is σ = 265988496. Its totient is φ = 88662816.

The previous prime is 166242757. The next prime is 166242829. The reversal of 166242795 is 597242661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166242795 - 28 = 166242539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541412 + ... + 5541441.

It is an arithmetic number, because the mean of its divisors is an integer number (33248562).

Almost surely, 2166242795 is an apocalyptic number.

166242795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166242795 is a deficient number, since it is larger than the sum of its proper divisors (99745701).

166242795 is a wasteful number, since it uses less digits than its factorization.

166242795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082861.

The product of its digits is 181440, while the sum is 42.

The square root of 166242795 is about 12893.5175572844. The cubic root of 166242795 is about 549.8542809553.

It can be divided in two parts, 16 and 6242795, that added together give a triangular number (6242811 = T3533).

The spelling of 166242795 in words is "one hundred sixty-six million, two hundred forty-two thousand, seven hundred ninety-five".

Divisors: 1 3 5 15 11082853 33248559 55414265 166242795