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74471080 = 2352637079
BaseRepresentation
bin1000111000001…
…01011010101000
312012010112010011
410130011122220
5123031033310
611220101304
71562664565
oct434053250
9165115104
1074471080
1139045252
1220b34834
1312575938
149c6786c
15681078a
hex47056a8

74471080 has 32 divisors (see below), whose sum is σ = 168220800. Its totient is φ = 29670976.

The previous prime is 74471053. The next prime is 74471081. The reversal of 74471080 is 8017447.

It is not an unprimeable number, because it can be changed into a prime (74471081) 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 7 ways as a sum of consecutive naturals, for example, 6981 + ... + 14059.

It is an arithmetic number, because the mean of its divisors is an integer number (5256900).

Almost surely, 274471080 is an apocalyptic number.

It is an amenable number.

74471080 is an abundant number, since it is smaller than the sum of its proper divisors (93749720).

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

74471080 is a wasteful number, since it uses less digits than its factorization.

74471080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7349 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74471080 is about 8629.6627975837. The cubic root of 74471080 is about 420.7226410392.

It can be divided in two parts, 744 and 71080, that added together give a square (71824 = 2682).

The spelling of 74471080 in words is "seventy-four million, four hundred seventy-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 263 526 1052 1315 2104 2630 5260 7079 10520 14158 28316 35395 56632 70790 141580 283160 1861777 3723554 7447108 9308885 14894216 18617770 37235540 74471080