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149994383 = 711317947
BaseRepresentation
bin10001111000010…
…11101110001111
3101110020111121112
420330023232033
5301344310013
622514522235
73500634260
oct1074135617
9343214545
10149994383
1177739000
124229637b
13250c9496
1415cc6967
15d27cba8
hex8f0bb8f

149994383 has 32 divisors (see below), whose sum is σ = 199853568. Its totient is φ = 109887360.

The previous prime is 149994373. The next prime is 149994391. The reversal of 149994383 is 383499941.

It is not a de Polignac number, because 149994383 - 28 = 149994127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149994323) 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, 157916 + ... + 158862.

It is an arithmetic number, because the mean of its divisors is an integer number (6245424).

Almost surely, 2149994383 is an apocalyptic number.

149994383 is a deficient number, since it is larger than the sum of its proper divisors (49859185).

149994383 is an equidigital number, since it uses as much as digits as its factorization.

149994383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 982 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 149994383 is about 12247.2193987043. The cubic root of 149994383 is about 531.3226523383.

The spelling of 149994383 in words is "one hundred forty-nine million, nine hundred ninety-four thousand, three hundred eighty-three".

Divisors: 1 7 11 17 77 119 121 187 847 947 1309 1331 2057 6629 9317 10417 14399 16099 22627 72919 112693 114587 158389 177089 802109 1239623 1260457 1947979 8823199 13635853 21427769 149994383