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154008080 = 2454794019
BaseRepresentation
bin10010010110111…
…11101000010000
3101201210102100222
421023133220100
5303411224310
623140532212
73550022102
oct1113375020
9351712328
10154008080
1179a2a606
12436b1068
1325ba3355
141664d572
15d7c2055
hex92dfa10

154008080 has 40 divisors (see below), whose sum is σ = 358905600. Its totient is φ = 61459328.

The previous prime is 154008047. The next prime is 154008109. The reversal of 154008080 is 80800451.

154008080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 36311 + ... + 40329.

It is an arithmetic number, because the mean of its divisors is an integer number (8972640).

Almost surely, 2154008080 is an apocalyptic number.

154008080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154008080 is an abundant number, since it is smaller than the sum of its proper divisors (204897520).

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

154008080 is a wasteful number, since it uses less digits than its factorization.

154008080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 154008080 is about 12409.9991941982. Note that the first 3 decimals coincide. The cubic root of 154008080 is about 536.0202153213.

The spelling of 154008080 in words is "one hundred fifty-four million, eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 479 958 1916 2395 3832 4019 4790 7664 8038 9580 16076 19160 20095 32152 38320 40190 64304 80380 160760 321520 1925101 3850202 7700404 9625505 15400808 19251010 30801616 38502020 77004040 154008080