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164142898 = 2678871381
BaseRepresentation
bin10011100100010…
…01111100110010
3102102212022201121
421302021330302
5314010033043
624142052454
74032122503
oct1162117462
9372768647
10164142898
1184721a97
1246b7a12a
132801139a
1417b2abaa
15e624ded
hex9c89f32

164142898 has 16 divisors (see below), whose sum is σ = 250352064. Its totient is φ = 80696880.

The previous prime is 164142857. The next prime is 164142899. The reversal of 164142898 is 898241461.

164142898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164142899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118168 + ... + 119548.

It is an arithmetic number, because the mean of its divisors is an integer number (15647004).

Almost surely, 2164142898 is an apocalyptic number.

164142898 is a deficient number, since it is larger than the sum of its proper divisors (86209166).

164142898 is a wasteful number, since it uses less digits than its factorization.

164142898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337.

The product of its digits is 110592, while the sum is 43.

The square root of 164142898 is about 12811.8264896150. The cubic root of 164142898 is about 547.5293012682.

The spelling of 164142898 in words is "one hundred sixty-four million, one hundred forty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 67 134 887 1381 1774 2762 59429 92527 118858 185054 1224947 2449894 82071449 164142898