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149956303 = 71719292287
BaseRepresentation
bin10001111000000…
…10011011001111
3101110011120101011
420330002123033
5301342100203
622514030051
73500415250
oct1074023317
9343146334
10149956303
1177712432
1242278327
13250b5053
1415cb6b27
15d27176d
hex8f026cf

149956303 has 32 divisors (see below), whose sum is σ = 197683200. Its totient is φ = 110605824.

The previous prime is 149956291. The next prime is 149956309. The reversal of 149956303 is 303659941.

149956303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149956303 - 25 = 149956271 is a prime.

It is a super-3 number, since 3×1499563033 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149956309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64426 + ... + 66712.

It is an arithmetic number, because the mean of its divisors is an integer number (6177600).

Almost surely, 2149956303 is an apocalyptic number.

149956303 is a deficient number, since it is larger than the sum of its proper divisors (47726897).

149956303 is a wasteful number, since it uses less digits than its factorization.

149956303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 149956303 is about 12245.6646614220. The cubic root of 149956303 is about 531.2776851454.

The spelling of 149956303 in words is "one hundred forty-nine million, nine hundred fifty-six thousand, three hundred three".

Divisors: 1 7 17 19 29 119 133 203 323 493 551 2261 2287 3451 3857 9367 16009 38879 43453 65569 66323 272153 304171 464261 738701 1127491 1260137 5170907 7892437 8820959 21422329 149956303