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149418401 = 1138934919
BaseRepresentation
bin10001110011111…
…11000110100001
3101102011020111212
420321333012201
5301222342101
622454315505
73463015106
oct1071770641
9342136455
10149418401
1177385290
1242058b95
1324c57272
1415bb6aad
15d1b71bb
hex8e7f1a1

149418401 has 8 divisors (see below), whose sum is σ = 163425600. Its totient is φ = 135481840.

The previous prime is 149418383. The next prime is 149418403. The reversal of 149418401 is 104814941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149418401 - 210 = 149417377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149418403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13181 + ... + 21738.

It is an arithmetic number, because the mean of its divisors is an integer number (20428200).

Almost surely, 2149418401 is an apocalyptic number.

149418401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149418401 is a deficient number, since it is larger than the sum of its proper divisors (14007199).

149418401 is a wasteful number, since it uses less digits than its factorization.

149418401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35319.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 149418401 is about 12223.6819739389. The cubic root of 149418401 is about 530.6416827371.

The spelling of 149418401 in words is "one hundred forty-nine million, four hundred eighteen thousand, four hundred one".

Divisors: 1 11 389 4279 34919 384109 13583491 149418401