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73930531 = 733972551
BaseRepresentation
bin1000110100000…
…01011100100011
312011010001121211
410122001130203
5122411234111
611200330551
71555253623
oct432013443
9164101554
1073930531
1138806114
1220913a57
131241689c
149b66883
156755521
hex4681723

73930531 has 8 divisors (see below), whose sum is σ = 75161504. Its totient is φ = 72705600.

The previous prime is 73930529. The next prime is 73930537. The reversal of 73930531 is 13503937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73930531 - 21 = 73930529 is a prime.

It is a super-2 number, since 2×739305312 = 10931446827883922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73930493 and 73930502.

It is not an unprimeable number, because it can be changed into a prime (73930537) 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, 27706 + ... + 30256.

It is an arithmetic number, because the mean of its divisors is an integer number (9395188).

Almost surely, 273930531 is an apocalyptic number.

73930531 is a deficient number, since it is larger than the sum of its proper divisors (1230973).

73930531 is a wasteful number, since it uses less digits than its factorization.

73930531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 73930531 is about 8598.2865153471. The cubic root of 73930531 is about 419.7022284672.

The spelling of 73930531 in words is "seventy-three million, nine hundred thirty thousand, five hundred thirty-one".

Divisors: 1 73 397 2551 28981 186223 1012747 73930531