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73538930 = 2519387047
BaseRepresentation
bin1000110001000…
…01110101110010
312010101011110002
410120201311302
5122311221210
611144110002
71552033133
oct430416562
9163334402
1073538930
1138568983
1220765302
131230a57a
149aa3c8a
1566c94a5
hex4621d72

73538930 has 16 divisors (see below), whose sum is σ = 139337280. Its totient is φ = 27867312.

The previous prime is 73538929. The next prime is 73538939. The reversal of 73538930 is 3983537.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (73538939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193334 + ... + 193713.

It is an arithmetic number, because the mean of its divisors is an integer number (8708580).

Almost surely, 273538930 is an apocalyptic number.

73538930 is a deficient number, since it is larger than the sum of its proper divisors (65798350).

73538930 is a wasteful number, since it uses less digits than its factorization.

73538930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387073.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 73538930 is about 8575.4842428868. The cubic root of 73538930 is about 418.9598790481.

The spelling of 73538930 in words is "seventy-three million, five hundred thirty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 387047 774094 1935235 3870470 7353893 14707786 36769465 73538930