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29118672 = 24321131593
BaseRepresentation
bin110111100010…
…1000011010000
32000210101022100
41233011003100
524423244142
62520040400
7502335042
oct157050320
960711270
1029118672
1115489320
129903100
136056aab
143c1da92
152852b4c
hex1bc50d0

29118672 has 120 divisors (see below), whose sum is σ = 91922688. Its totient is φ = 8524800.

The previous prime is 29118647. The next prime is 29118673. The reversal of 29118672 is 27681192.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29118673) 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 23 ways as a sum of consecutive naturals, for example, 48808 + ... + 49400.

Almost surely, 229118672 is an apocalyptic number.

29118672 is a gapful number since it is divisible by the number (22) 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 29118672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45961344).

29118672 is an abundant number, since it is smaller than the sum of its proper divisors (62804016).

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

29118672 is a wasteful number, since it uses less digits than its factorization.

29118672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 640 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 29118672 is about 5396.1719765033. The cubic root of 29118672 is about 307.6501903634.

The spelling of 29118672 in words is "twenty-nine million, one hundred eighteen thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 31 33 36 44 48 62 66 72 88 93 99 124 132 144 176 186 198 248 264 279 341 372 396 496 528 558 593 682 744 792 1023 1116 1186 1364 1488 1584 1779 2046 2232 2372 2728 3069 3558 4092 4464 4744 5337 5456 6138 6523 7116 8184 9488 10674 12276 13046 14232 16368 18383 19569 21348 24552 26092 28464 36766 39138 42696 49104 52184 55149 58707 73532 78276 85392 104368 110298 117414 147064 156552 165447 202213 220596 234828 294128 313104 330894 404426 441192 469656 606639 661788 808852 882384 939312 1213278 1323576 1617704 1819917 2426556 2647152 3235408 3639834 4853112 7279668 9706224 14559336 29118672