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29880552 = 23313253139
BaseRepresentation
bin111000111111…
…1000011101000
32002020002102010
41301333003220
530122134202
62544235520
7511660212
oct161770350
962202363
1029880552
1115959779
12a00bba0
136262800
143d7b5b2
15295376c
hex1c7f0e8

29880552 has 96 divisors (see below), whose sum is σ = 83008800. Its totient is φ = 8955648.

The previous prime is 29880551. The next prime is 29880589. The reversal of 29880552 is 25508892.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 29880552.

It is not an unprimeable number, because it can be changed into a prime (29880551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214899 + ... + 215037.

It is an arithmetic number, because the mean of its divisors is an integer number (864675).

Almost surely, 229880552 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 29880552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41504400).

29880552 is an abundant number, since it is smaller than the sum of its proper divisors (53128248).

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

29880552 is a wasteful number, since it uses less digits than its factorization.

29880552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 29880552 is about 5466.3106388130. The cubic root of 29880552 is about 310.3103101568.

The spelling of 29880552 in words is "twenty-nine million, eight hundred eighty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 53 78 104 106 139 156 159 169 212 278 312 318 338 417 424 507 556 636 676 689 834 1014 1112 1272 1352 1378 1668 1807 2028 2067 2756 3336 3614 4056 4134 5421 5512 7228 7367 8268 8957 10842 14456 14734 16536 17914 21684 22101 23491 26871 29468 35828 43368 44202 46982 53742 58936 70473 71656 88404 93964 95771 107484 140946 176808 187928 191542 214968 281892 287313 383084 563784 574626 766168 1149252 1245023 2298504 2490046 3735069 4980092 7470138 9960184 14940276 29880552