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29713872 = 24319311051
BaseRepresentation
bin111000101011…
…0010111010000
32001220121202210
41301112113100
530101320442
62540512120
7510364236
oct161262720
961817683
1029713872
1115855521
129b4b640
136204996
143d36956
15291e19c
hex1c565d0

29713872 has 80 divisors (see below), whose sum is σ = 83486720. Its totient is φ = 9072000.

The previous prime is 29713829. The next prime is 29713877. The reversal of 29713872 is 27831792.

It is a self number, because there is not a number n which added to its sum of digits gives 29713872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29713877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27747 + ... + 28797.

It is an arithmetic number, because the mean of its divisors is an integer number (1043584).

Almost surely, 229713872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29713872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41743360).

29713872 is an abundant number, since it is smaller than the sum of its proper divisors (53772848).

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

29713872 is a wasteful number, since it uses less digits than its factorization.

29713872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1106 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 29713872 is about 5451.0432029108. The cubic root of 29713872 is about 309.7322419126.

The spelling of 29713872 in words is "twenty-nine million, seven hundred thirteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 31 38 48 57 62 76 93 114 124 152 186 228 248 304 372 456 496 589 744 912 1051 1178 1488 1767 2102 2356 3153 3534 4204 4712 6306 7068 8408 9424 12612 14136 16816 19969 25224 28272 32581 39938 50448 59907 65162 79876 97743 119814 130324 159752 195486 239628 260648 319504 390972 479256 521296 619039 781944 958512 1238078 1563888 1857117 2476156 3714234 4952312 7428468 9904624 14856936 29713872