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149814955 = 542171171
BaseRepresentation
bin10001110110111…
…11111010101011
3101102220101111001
420323133322223
5301323034310
622511015431
73466256203
oct1073377253
9342811431
10149814955
1177626214
124220a577
1325065904
1415c7b403
15d24493a
hex8edfeab

149814955 has 8 divisors (see below), whose sum is σ = 180207504. Its totient is φ = 119565600.

The previous prime is 149814953. The next prime is 149814979. The reversal of 149814955 is 559418941.

It is a happy number.

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

It is not a de Polignac number, because 149814955 - 21 = 149814953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149814953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33481 + ... + 37690.

It is an arithmetic number, because the mean of its divisors is an integer number (22525938).

Almost surely, 2149814955 is an apocalyptic number.

149814955 is a deficient number, since it is larger than the sum of its proper divisors (30392549).

149814955 is an equidigital number, since it uses as much as digits as its factorization.

149814955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71597.

The product of its digits is 259200, while the sum is 46.

The square root of 149814955 is about 12239.8919521375. The cubic root of 149814955 is about 531.1107061793.

The spelling of 149814955 in words is "one hundred forty-nine million, eight hundred fourteen thousand, nine hundred fifty-five".

Divisors: 1 5 421 2105 71171 355855 29962991 149814955