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166242802 = 2117556491
BaseRepresentation
bin10011110100010…
…10100111110010
3102120211000020211
421322022213302
5320024232202
624255054334
74056016615
oct1172124762
9376730224
10166242802
1185926750
12478113aa
132859812b
141811617c
15e8dc1d7
hex9e8a9f2

166242802 has 8 divisors (see below), whose sum is σ = 272033712. Its totient is φ = 75564900.

The previous prime is 166242757. The next prime is 166242829. The reversal of 166242802 is 208242661.

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

It is a super-2 number, since 2×1662428022 = 55273338433622408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3778224 + ... + 3778267.

It is an arithmetic number, because the mean of its divisors is an integer number (34004214).

Almost surely, 2166242802 is an apocalyptic number.

166242802 is a deficient number, since it is larger than the sum of its proper divisors (105790910).

166242802 is a wasteful number, since it uses less digits than its factorization.

166242802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556504.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 166242802 is about 12893.5178287386. The cubic root of 166242802 is about 549.8542886729.

The spelling of 166242802 in words is "one hundred sixty-six million, two hundred forty-two thousand, eight hundred two".

Divisors: 1 2 11 22 7556491 15112982 83121401 166242802