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73196020 = 2253659801
BaseRepresentation
bin1000101110011…
…10000111110100
312002201202001201
410113032013310
5122214233040
611132502244
71546104322
oct427160764
9162652051
1073196020
1138354287
122061a984
131221a471
149a14d12
15665ca9a
hex45ce1f4

73196020 has 12 divisors (see below), whose sum is σ = 153711684. Its totient is φ = 29278400.

The previous prime is 73195987. The next prime is 73196077. The reversal of 73196020 is 2069137.

It can be written as a sum of positive squares in 2 ways, for example, as 32695524 + 40500496 = 5718^2 + 6364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73196020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829881 + ... + 1829920.

It is an arithmetic number, because the mean of its divisors is an integer number (12809307).

Almost surely, 273196020 is an apocalyptic number.

It is an amenable number.

73196020 is an abundant number, since it is smaller than the sum of its proper divisors (80515664).

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

73196020 is a wasteful number, since it uses less digits than its factorization.

73196020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659810 (or 3659808 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 73196020 is about 8555.4672578416. The cubic root of 73196020 is about 418.3076647936.

The spelling of 73196020 in words is "seventy-three million, one hundred ninety-six thousand, twenty".

Divisors: 1 2 4 5 10 20 3659801 7319602 14639204 18299005 36598010 73196020