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154880142 = 23167154571
BaseRepresentation
bin10010011101101…
…00100010001110
3101210102201121120
421032310202032
5304122131032
623211341410
73560313414
oct1116644216
9353381546
10154880142
117a47581a
1243a51866
132611a271
14167d92b4
15d8e562c
hex93b488e

154880142 has 16 divisors (see below), whose sum is σ = 311617152. Its totient is φ = 51317240.

The previous prime is 154880129. The next prime is 154880161. The reversal of 154880142 is 241088451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76284 + ... + 78287.

It is an arithmetic number, because the mean of its divisors is an integer number (19476072).

Almost surely, 2154880142 is an apocalyptic number.

154880142 is an abundant number, since it is smaller than the sum of its proper divisors (156737010).

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

154880142 is a wasteful number, since it uses less digits than its factorization.

154880142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154743.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 154880142 is about 12445.0850539480. The cubic root of 154880142 is about 537.0300396902.

The spelling of 154880142 in words is "one hundred fifty-four million, eight hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 3 6 167 334 501 1002 154571 309142 463713 927426 25813357 51626714 77440071 154880142