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75000834 = 2328946817
BaseRepresentation
bin1000111100001…
…10110000000010
312020010102210200
410132012300002
5123200011314
611235310030
71600332216
oct436066002
9166112720
1075000834
1139377267
122114b316
13126ccabc
149d64946
1568b7709
hex4786c02

75000834 has 24 divisors (see below), whose sum is σ = 164331180. Its totient is φ = 24718848.

The previous prime is 75000833. The next prime is 75000839. The reversal of 75000834 is 43800057.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 91809 = 8655^2 + 303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75000798 and 75000807.

It is not an unprimeable number, because it can be changed into a prime (75000833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21807 + ... + 25010.

Almost surely, 275000834 is an apocalyptic number.

75000834 is an abundant number, since it is smaller than the sum of its proper divisors (89330346).

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

75000834 is a wasteful number, since it uses less digits than its factorization.

75000834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46914 (or 46911 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 75000834 is about 8660.3021887230. The cubic root of 75000834 is about 421.7178958070.

The spelling of 75000834 in words is "seventy-five million, eight hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 89 178 267 534 801 1602 46817 93634 140451 280902 421353 842706 4166713 8333426 12500139 25000278 37500417 75000834