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154214401 = 1114019491
BaseRepresentation
bin10010011000100…
…10000000000001
3101202011220101111
421030102000001
5303434330101
623145203321
73551541445
oct1114220001
9352156344
10154214401
117a060620
1243790541
1325c46233
14166a4825
15d813251
hex9312001

154214401 has 4 divisors (see below), whose sum is σ = 168233904. Its totient is φ = 140194900.

The previous prime is 154214371. The next prime is 154214413. The reversal of 154214401 is 104412451.

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 154214401 - 225 = 120659969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154014401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7009735 + ... + 7009756.

It is an arithmetic number, because the mean of its divisors is an integer number (42058476).

Almost surely, 2154214401 is an apocalyptic number.

154214401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154214401 is a deficient number, since it is larger than the sum of its proper divisors (14019503).

154214401 is a wasteful number, since it uses less digits than its factorization.

154214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14019502.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 154214401 is about 12418.3091038998. The cubic root of 154214401 is about 536.2594730660.

Adding to 154214401 its reverse (104412451), we get a palindrome (258626852).

The spelling of 154214401 in words is "one hundred fifty-four million, two hundred fourteen thousand, four hundred one".

Divisors: 1 11 14019491 154214401