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154144090 = 2531497239
BaseRepresentation
bin10010011000000…
…00110101011010
3101202001022221101
421030000311122
5303430102330
623143502014
73551126452
oct1114006532
9352038841
10154144090
117a012811
124375790a
1325c20229
1416686d62
15d7ec4ca
hex9300d5a

154144090 has 16 divisors (see below), whose sum is σ = 286410240. Its totient is φ = 59668560.

The previous prime is 154144069. The next prime is 154144097. The reversal of 154144090 is 90441451.

154144090 is digitally balanced in base 3, 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 (154144097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248310 + ... + 248929.

It is an arithmetic number, because the mean of its divisors is an integer number (17900640).

Almost surely, 2154144090 is an apocalyptic number.

154144090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154144090 is a deficient number, since it is larger than the sum of its proper divisors (132266150).

154144090 is a wasteful number, since it uses less digits than its factorization.

154144090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497277.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 154144090 is about 12415.4778401800. The cubic root of 154144090 is about 536.1779617171.

The spelling of 154144090 in words is "one hundred fifty-four million, one hundred forty-four thousand, ninety".

Divisors: 1 2 5 10 31 62 155 310 497239 994478 2486195 4972390 15414409 30828818 77072045 154144090