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147083688 = 2334613
BaseRepresentation
bin10001100010001…
…01000110101000
3101020202121220000
420301011012220
5300123134223
622332303000
73434122263
oct1061050650
9336677800
10147083688
1176030174
1241311a60
132461a68b
1415769cda
15cda5543
hex8c451a8

147083688 has 80 divisors (see below), whose sum is σ = 418836660. Its totient is φ = 48224160.

The previous prime is 147083659. The next prime is 147083753. The reversal of 147083688 is 886380741.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10614564 + 136469124 = 3258^2 + 11682^2 .

It is an ABA number since it can be written as A⋅BA, here for A=3, B=366.

It is a super-2 number, since 2×1470836882 = 43267222551362688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2411178 + ... + 2411238.

Almost surely, 2147083688 is an apocalyptic number.

147083688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147083688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209418330).

147083688 is an abundant number, since it is smaller than the sum of its proper divisors (271752972).

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

147083688 is an frugal number, since it uses more digits than its factorization.

147083688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 147083688 is about 12127.8063968716. The cubic root of 147083688 is about 527.8633427325.

It can be divided in two parts, 1470 and 83688, that added together give a palindrome (85158).

The spelling of 147083688 in words is "one hundred forty-seven million, eighty-three thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 61 72 81 108 122 162 183 216 244 324 366 488 549 648 732 1098 1464 1647 2196 3294 3721 4392 4941 6588 7442 9882 11163 13176 14884 19764 22326 29768 33489 39528 44652 66978 89304 100467 133956 200934 226981 267912 301401 401868 453962 602802 680943 803736 907924 1205604 1361886 1815848 2042829 2411208 2723772 4085658 5447544 6128487 8171316 12256974 16342632 18385461 24513948 36770922 49027896 73541844 147083688