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145613376 = 26363121
BaseRepresentation
bin10001010110111…
…10001001000000
3101010222221000000
420223132021000
5244234112001
622241000000
73415456536
oct1053361100
9333887000
10145613376
1175216537
1240923000
132422437c
14154a6156
15cbb4a86
hex8ade240

145613376 has 98 divisors (see below), whose sum is σ = 433367942. Its totient is φ = 48522240.

The previous prime is 145613371. The next prime is 145613387. The reversal of 145613376 is 673316541.

145613376 is a `hidden beast` number, since 1 + 4 + 5 + 613 + 37 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74649600 + 70963776 = 8640^2 + 8424^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145613376.

It is not an unprimeable number, because it can be changed into a prime (145613371) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 45096 + ... + 48216.

Almost surely, 2145613376 is an apocalyptic number.

145613376 is a gapful number since it is divisible by the number (16) 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 145613376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216683971).

145613376 is an abundant number, since it is smaller than the sum of its proper divisors (287754566).

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

145613376 is an frugal number, since it uses more digits than its factorization.

145613376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3126 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 145613376 is about 12067.0367530724. The cubic root of 145613376 is about 526.0985324336.

The spelling of 145613376 in words is "one hundred forty-five million, six hundred thirteen thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2592 2916 3121 3888 5184 5832 6242 7776 9363 11664 12484 15552 18726 23328 24968 28089 37452 46656 49936 56178 74904 84267 99872 112356 149808 168534 199744 224712 252801 299616 337068 449424 505602 599232 674136 758403 898848 1011204 1348272 1516806 1797696 2022408 2275209 2696544 3033612 4044816 4550418 5393088 6067224 8089632 9100836 12134448 16179264 18201672 24268896 36403344 48537792 72806688 145613376