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147991016 = 23237910181
BaseRepresentation
bin10001101001000…
…10100111101000
3101022110201111202
420310202213220
5300341203031
622403543332
73444621455
oct1064424750
9338421452
10147991016
117659a928
124168ab48
1324877664
141592482c
15ced42cb
hex8d229e8

147991016 has 32 divisors (see below), whose sum is σ = 293241600. Its totient is φ = 69875520.

The previous prime is 147990991. The next prime is 147991033. The reversal of 147991016 is 610199741.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9446 + ... + 19626.

It is an arithmetic number, because the mean of its divisors is an integer number (9163800).

Almost surely, 2147991016 is an apocalyptic number.

It is an amenable number.

147991016 is a deficient number, since it is larger than the sum of its proper divisors (145250584).

147991016 is a wasteful number, since it uses less digits than its factorization.

147991016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289 (or 10285 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 147991016 is about 12165.1558148673. The cubic root of 147991016 is about 528.9465440080.

The spelling of 147991016 in words is "one hundred forty-seven million, nine hundred ninety-one thousand, sixteen".

Divisors: 1 2 4 8 23 46 79 92 158 184 316 632 1817 3634 7268 10181 14536 20362 40724 81448 234163 468326 804299 936652 1608598 1873304 3217196 6434392 18498877 36997754 73995508 147991016