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167142144 = 2831316741
BaseRepresentation
bin10011111011001…
…10001100000000
3102122111200220210
421331212030000
5320242022034
624330234120
74066453611
oct1175461400
9378450823
10167142144
1186390404
1247b85940
13288215a0
14182abc08
15ea188e9
hex9f66300

167142144 has 72 divisors (see below), whose sum is σ = 479089072. Its totient is φ = 51425280.

The previous prime is 167142139. The next prime is 167142169. The reversal of 167142144 is 441241761.

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, 1614 + ... + 18354.

Almost surely, 2167142144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167142144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239544536).

167142144 is an abundant number, since it is smaller than the sum of its proper divisors (311946928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167142144 is a wasteful number, since it uses less digits than its factorization.

167142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773 (or 16759 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 167142144 is about 12928.3465300092. The cubic root of 167142144 is about 550.8440417938.

It can be divided in two parts, 167 and 142144, that added together give a triangular number (142311 = T533).

The spelling of 167142144 in words is "one hundred sixty-seven million, one hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4992 9984 16741 33482 50223 66964 100446 133928 200892 217633 267856 401784 435266 535712 652899 803568 870532 1071424 1305798 1607136 1741064 2142848 2611596 3214272 3482128 4285696 5223192 6428544 6964256 10446384 12857088 13928512 20892768 27857024 41785536 55714048 83571072 167142144