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147299712 = 273754799
BaseRepresentation
bin10001100011110…
…01110110000000
3101021011121012220
420301321312000
5300202042322
622341051040
73436012140
oct1061716600
9337147186
10147299712
11761684aa
12413b6a80
1324694ac1
14157c4920
15cde955c
hex8c79d80

147299712 has 64 divisors (see below), whose sum is σ = 447168000. Its totient is φ = 42084864.

The previous prime is 147299707. The next prime is 147299743. The reversal of 147299712 is 217992741.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 24712 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (6987000).

Almost surely, 2147299712 is an apocalyptic number.

147299712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147299712 is an abundant number, since it is smaller than the sum of its proper divisors (299868288).

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

147299712 is an equidigital number, since it uses as much as digits as its factorization.

147299712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54823 (or 54811 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 147299712 is about 12136.7092739342. The cubic root of 147299712 is about 528.1216432311.

The spelling of 147299712 in words is "one hundred forty-seven million, two hundred ninety-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 54799 109598 164397 219196 328794 383593 438392 657588 767186 876784 1150779 1315176 1534372 1753568 2301558 2630352 3068744 3507136 4603116 5260704 6137488 7014272 9206232 10521408 12274976 18412464 21042816 24549952 36824928 49099904 73649856 147299712