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78525035 = 515705007
BaseRepresentation
bin1001010111000…
…11001001101011
312110202111002122
410223203021223
5130100300120
611443021455
71642310651
oct453431153
9173674078
1078525035
1140364026
122236a88b
1313364c24
14a600dd1
156d61a25
hex4ae326b

78525035 has 4 divisors (see below), whose sum is σ = 94230048. Its totient is φ = 62820024.

The previous prime is 78525019. The next prime is 78525049. The reversal of 78525035 is 53052587.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78525035 - 24 = 78525019 is a prime.

It is a super-2 number, since 2×785250352 = 12332362243502450, 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 = 78524986 and 78525004.

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, 7852499 + ... + 7852508.

It is an arithmetic number, because the mean of its divisors is an integer number (23557512).

Almost surely, 278525035 is an apocalyptic number.

78525035 is a deficient number, since it is larger than the sum of its proper divisors (15705013).

78525035 is a wasteful number, since it uses less digits than its factorization.

78525035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15705012.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 78525035 is about 8861.4352674948. The cubic root of 78525035 is about 428.2223983918. Note that the first 3 decimals are identical.

The spelling of 78525035 in words is "seventy-eight million, five hundred twenty-five thousand, thirty-five".

Divisors: 1 5 15705007 78525035