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29832920 = 23513103557
BaseRepresentation
bin111000111001…
…1011011011000
32002010200001222
41301303123120
530114123140
62543231212
7511401305
oct161633330
962120058
1029832920
1115926a07
129ba8508
136246c20
143d680ac
1529445b5
hex1c736d8

29832920 has 64 divisors (see below), whose sum is σ = 73120320. Its totient is φ = 10888704.

The previous prime is 29832899. The next prime is 29832931. The reversal of 29832920 is 2923892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53282 + ... + 53838.

It is an arithmetic number, because the mean of its divisors is an integer number (1142505).

Almost surely, 229832920 is an apocalyptic number.

29832920 is a gapful number since it is divisible by the number (20) 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 29832920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36560160).

29832920 is an abundant number, since it is smaller than the sum of its proper divisors (43287400).

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

29832920 is a wasteful number, since it uses less digits than its factorization.

29832920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 29832920 is about 5461.9520320120. The cubic root of 29832920 is about 310.1453359451.

The spelling of 29832920 in words is "twenty-nine million, eight hundred thirty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 103 104 130 206 260 412 515 520 557 824 1030 1114 1339 2060 2228 2678 2785 4120 4456 5356 5570 6695 7241 10712 11140 13390 14482 22280 26780 28964 36205 53560 57371 57928 72410 114742 144820 229484 286855 289640 458968 573710 745823 1147420 1491646 2294840 2983292 3729115 5966584 7458230 14916460 29832920