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148991016 = 23313147389
BaseRepresentation
bin10001110000101…
…10110000101000
3101101100112020210
420320112300220
5301120203031
622441221120
73456255066
oct1070266050
9341315223
10148991016
1177113179
1241a917a0
1324b37885
1415b05036
15d130746
hex8e16c28

148991016 has 32 divisors (see below), whose sum is σ = 375328800. Its totient is φ = 49283520.

The previous prime is 148990999. The next prime is 148991023. The reversal of 148991016 is 610199841.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20551 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (11729025).

Almost surely, 2148991016 is an apocalyptic number.

It is an amenable number.

148991016 is an abundant number, since it is smaller than the sum of its proper divisors (226337784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148991016 is a wasteful number, since it uses less digits than its factorization.

148991016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47529 (or 47525 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 148991016 is about 12206.1876112077. The cubic root of 148991016 is about 530.1352639212.

The spelling of 148991016 in words is "one hundred forty-eight million, nine hundred ninety-one thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 47389 94778 142167 189556 284334 379112 568668 1137336 6207959 12415918 18623877 24831836 37247754 49663672 74495508 148991016