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109472500 = 225443789
BaseRepresentation
bin1101000011001…
…10101011110100
321121222210001001
412201212223310
5211011110000
614510213044
72466333544
oct641465364
9247883031
10109472500
1156881345
12307b4184
13198ac237
1410779324
15992646a
hex6866af4

109472500 has 30 divisors (see below), whose sum is σ = 239399930. Its totient is φ = 43788000.

The previous prime is 109472483. The next prime is 109472513. The reversal of 109472500 is 5274901.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 23872996 + 85599504 = 4886^2 + 9252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19395 + ... + 24394.

Almost surely, 2109472500 is an apocalyptic number.

109472500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109472500 is an abundant number, since it is smaller than the sum of its proper divisors (129927430).

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

109472500 is an equidigital number, since it uses as much as digits as its factorization.

109472500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43813 (or 43796 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 109472500 is about 10462.9106848907. The cubic root of 109472500 is about 478.3748569483.

The spelling of 109472500 in words is "one hundred nine million, four hundred seventy-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 43789 87578 175156 218945 437890 875780 1094725 2189450 4378900 5473625 10947250 21894500 27368125 54736250 109472500