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149810306 = 291182223
BaseRepresentation
bin10001110110111…
…10110010000010
3101102220011002212
420323132302002
5301322412211
622510542122
73466236512
oct1073366202
9342804085
10149810306
1177622778
1242207942
1325063769
1415c79842
15d24338b
hex8edec82

149810306 has 8 divisors (see below), whose sum is σ = 224964864. Its totient is φ = 74822020.

The previous prime is 149810257. The next prime is 149810329. The reversal of 149810306 is 603018941.

It is a happy number.

149810306 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39290 + ... + 42933.

It is an arithmetic number, because the mean of its divisors is an integer number (28120608).

Almost surely, 2149810306 is an apocalyptic number.

149810306 is a deficient number, since it is larger than the sum of its proper divisors (75154558).

149810306 is an equidigital number, since it uses as much as digits as its factorization.

149810306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83136.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 149810306 is about 12239.7020388570. The cubic root of 149810306 is about 531.1052123815.

The spelling of 149810306 in words is "one hundred forty-nine million, eight hundred ten thousand, three hundred six".

Divisors: 1 2 911 1822 82223 164446 74905153 149810306