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85136148 = 22324395387
BaseRepresentation
bin1010001001100…
…01001100010100
312221012100211200
411010301030110
5133243324043
612240432500
72052434226
oct504611424
9187170750
1085136148
114406a059
1224618730
131483b126
14b442416
15771a7d3
hex5131314

85136148 has 36 divisors (see below), whose sum is σ = 215735520. Its totient is φ = 28308816.

The previous prime is 85136143. The next prime is 85136189. The reversal of 85136148 is 84163158.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85136143) 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, 13111 + ... + 18497.

Almost surely, 285136148 is an apocalyptic number.

It is an amenable number.

85136148 is an abundant number, since it is smaller than the sum of its proper divisors (130599372).

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

85136148 is a wasteful number, since it uses less digits than its factorization.

85136148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836 (or 5831 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 85136148 is about 9226.9251649723. The cubic root of 85136148 is about 439.9175947606.

The spelling of 85136148 in words is "eighty-five million, one hundred thirty-six thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 439 878 1317 1756 2634 3951 5268 5387 7902 10774 15804 16161 21548 32322 48483 64644 96966 193932 2364893 4729786 7094679 9459572 14189358 21284037 28378716 42568074 85136148