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154374242 = 21161311447
BaseRepresentation
bin10010011001110…
…01000001100010
3101202111000122112
421030321001202
5304004433432
623152435322
73553105451
oct1114710142
9352430575
10154374242
117a15a720
1243848b42
1325ca0c09
1416706b98
15d8457b2
hex9339062

154374242 has 16 divisors (see below), whose sum is σ = 253046592. Its totient is φ = 70049520.

The previous prime is 154374211. The next prime is 154374251. The reversal of 154374242 is 242473451.

It is a junction number, because it is equal to n+sod(n) for n = 154374199 and 154374208.

It is an unprimeable number.

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, 7763 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (15815412).

Almost surely, 2154374242 is an apocalyptic number.

154374242 is a deficient number, since it is larger than the sum of its proper divisors (98672350).

154374242 is a wasteful number, since it uses less digits than its factorization.

154374242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its digits is 26880, while the sum is 32.

The square root of 154374242 is about 12424.7431361779. The cubic root of 154374242 is about 536.4446841582. Note that the first 3 decimals are identical.

The spelling of 154374242 in words is "one hundred fifty-four million, three hundred seventy-four thousand, two hundred forty-two".

Divisors: 1 2 11 22 613 1226 6743 11447 13486 22894 125917 251834 7017011 14034022 77187121 154374242