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154380401 = 722054343
BaseRepresentation
bin10010011001110…
…10100001110001
3101202111100002122
421030322201301
5304010133101
623152524025
73553132430
oct1114724161
9352440078
10154380401
117a16430a
1243850615
1325ca3966
1416709117
15d84751b
hex933a871

154380401 has 4 divisors (see below), whose sum is σ = 176434752. Its totient is φ = 132326052.

The previous prime is 154380367. The next prime is 154380407. The reversal of 154380401 is 104083451.

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 154380401 - 26 = 154380337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154380407) 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, 11027165 + ... + 11027178.

It is an arithmetic number, because the mean of its divisors is an integer number (44108688).

Almost surely, 2154380401 is an apocalyptic number.

It is an amenable number.

154380401 is a deficient number, since it is larger than the sum of its proper divisors (22054351).

154380401 is an equidigital number, since it uses as much as digits as its factorization.

154380401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054350.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 154380401 is about 12424.9909859122. The cubic root of 154380401 is about 536.4518181611.

The spelling of 154380401 in words is "one hundred fifty-four million, three hundred eighty thousand, four hundred one".

Divisors: 1 7 22054343 154380401