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85790629 = 101984191
BaseRepresentation
bin1010001110100…
…00111110100101
312222102121121201
411013100332211
5133430300004
612302442501
72061131311
oct507207645
9188377551
1085790629
1144476851
1224893431
1314a09cb2
14b572b41
1577e96a4
hex51d0fa5

85790629 has 4 divisors (see below), whose sum is σ = 85875840. Its totient is φ = 85705420.

The previous prime is 85790611. The next prime is 85790699. The reversal of 85790629 is 92609758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85790629 - 211 = 85788581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85790699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41077 + ... + 43114.

It is an arithmetic number, because the mean of its divisors is an integer number (21468960).

Almost surely, 285790629 is an apocalyptic number.

It is an amenable number.

85790629 is a deficient number, since it is larger than the sum of its proper divisors (85211).

85790629 is a wasteful number, since it uses less digits than its factorization.

85790629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85210.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 85790629 is about 9262.3230887289. The cubic root of 85790629 is about 441.0420018167.

The spelling of 85790629 in words is "eighty-five million, seven hundred ninety thousand, six hundred twenty-nine".

Divisors: 1 1019 84191 85790629