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29133480 = 2335242779
BaseRepresentation
bin110111100100…
…0101010101000
32000211010121210
41233020222220
524424232410
62520233120
7502426155
oct157105250
960733553
1029133480
1115499462
12990b7a0
13606075c
143c2522c
152857220
hex1bc8aa8

29133480 has 32 divisors (see below), whose sum is σ = 87400800. Its totient is φ = 7768896.

The previous prime is 29133449. The next prime is 29133491. The reversal of 29133480 is 8433192.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121270 + ... + 121509.

It is an arithmetic number, because the mean of its divisors is an integer number (2731275).

Almost surely, 229133480 is an apocalyptic number.

29133480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29133480 is an abundant number, since it is smaller than the sum of its proper divisors (58267320).

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

29133480 is a wasteful number, since it uses less digits than its factorization.

29133480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242793 (or 242789 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 29133480 is about 5397.5438858799. The cubic root of 29133480 is about 307.7023323016.

The spelling of 29133480 in words is "twenty-nine million, one hundred thirty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 242779 485558 728337 971116 1213895 1456674 1942232 2427790 2913348 3641685 4855580 5826696 7283370 9711160 14566740 29133480