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154285241 = 1114025931
BaseRepresentation
bin10010011001000…
…11010010111001
3101202022111120012
421030203102321
5303444111431
623150511305
73552255125
oct1114432271
9352274505
10154285241
117a0a9870
1243805535
1325c6c556
14166c2585
15d82922b
hex93234b9

154285241 has 4 divisors (see below), whose sum is σ = 168311184. Its totient is φ = 140259300.

The previous prime is 154285213. The next prime is 154285259. The reversal of 154285241 is 142582451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154285241 - 214 = 154268857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154285198 and 154285207.

It is not an unprimeable number, because it can be changed into a prime (154282241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7012955 + ... + 7012976.

It is an arithmetic number, because the mean of its divisors is an integer number (42077796).

Almost surely, 2154285241 is an apocalyptic number.

154285241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154285241 is a deficient number, since it is larger than the sum of its proper divisors (14025943).

154285241 is a wasteful number, since it uses less digits than its factorization.

154285241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14025942.

The product of its digits is 12800, while the sum is 32.

The square root of 154285241 is about 12421.1610165878. The cubic root of 154285241 is about 536.3415726310.

The spelling of 154285241 in words is "one hundred fifty-four million, two hundred eighty-five thousand, two hundred forty-one".

Divisors: 1 11 14025931 154285241