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154317342 = 23181142097
BaseRepresentation
bin10010011001010…
…11001000011110
3101202101010121010
421030223020132
5304001123332
623151320050
73552450534
oct1114531036
9352333533
10154317342
117a1209a3
1243820026
1325c8104a
14166d0154
15d8339cc
hex932b21e

154317342 has 16 divisors (see below), whose sum is σ = 310342032. Its totient is φ = 51154560.

The previous prime is 154317311. The next prime is 154317377. The reversal of 154317342 is 243713451.

It is a happy number.

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, 69963 + ... + 72134.

It is an arithmetic number, because the mean of its divisors is an integer number (19396377).

Almost surely, 2154317342 is an apocalyptic number.

154317342 is an abundant number, since it is smaller than the sum of its proper divisors (156024690).

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

154317342 is a wasteful number, since it uses less digits than its factorization.

154317342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142283.

The product of its digits is 10080, while the sum is 30.

The square root of 154317342 is about 12422.4531393763. The cubic root of 154317342 is about 536.3787676057.

The spelling of 154317342 in words is "one hundred fifty-four million, three hundred seventeen thousand, three hundred forty-two".

Divisors: 1 2 3 6 181 362 543 1086 142097 284194 426291 852582 25719557 51439114 77158671 154317342