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85153970 = 2511774127
BaseRepresentation
bin1010001001101…
…01100010110010
312221020021021202
411010311202302
5133244411340
612241051202
72052540206
oct504654262
9187207252
1085153970
1144081490
1224626b02
1314846285
14b448b06
157720c15
hex51358b2

85153970 has 16 divisors (see below), whose sum is σ = 167211648. Its totient is φ = 30965040.

The previous prime is 85153967. The next prime is 85153979. The reversal of 85153970 is 7935158.

It is not an unprimeable number, because it can be changed into a prime (85153979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386954 + ... + 387173.

It is an arithmetic number, because the mean of its divisors is an integer number (10450728).

Almost surely, 285153970 is an apocalyptic number.

85153970 is a deficient number, since it is larger than the sum of its proper divisors (82057678).

85153970 is a wasteful number, since it uses less digits than its factorization.

85153970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774145.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 85153970 is about 9227.8908749508. The cubic root of 85153970 is about 439.9482893775.

The spelling of 85153970 in words is "eighty-five million, one hundred fifty-three thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 774127 1548254 3870635 7741270 8515397 17030794 42576985 85153970