Search a number
-
+
85348920 = 23354671523
BaseRepresentation
bin1010001011001…
…01001000111000
312221121011201010
411011211020320
5133322131140
612245153520
72054311446
oct505451070
9187534633
1085348920
11441a49a8
12246bb8a0
13148b3c27
14b499b96
15775d880
hex5165238

85348920 has 64 divisors (see below), whose sum is σ = 256763520. Its totient is φ = 22696064.

The previous prime is 85348903. The next prime is 85348927. The reversal of 85348920 is 2984358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85348927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55279 + ... + 56801.

It is an arithmetic number, because the mean of its divisors is an integer number (4011930).

Almost surely, 285348920 is an apocalyptic number.

It is an amenable number.

85348920 is an abundant number, since it is smaller than the sum of its proper divisors (171414600).

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

85348920 is a wasteful number, since it uses less digits than its factorization.

85348920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 85348920 is about 9238.4479215938. The cubic root of 85348920 is about 440.2837701162.

It can be divided in two parts, 85348 and 920, that added together give a palindrome (86268).

The spelling of 85348920 in words is "eighty-five million, three hundred forty-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 467 934 1401 1523 1868 2335 2802 3046 3736 4569 4670 5604 6092 7005 7615 9138 9340 11208 12184 14010 15230 18276 18680 22845 28020 30460 36552 45690 56040 60920 91380 182760 711241 1422482 2133723 2844964 3556205 4267446 5689928 7112410 8534892 10668615 14224820 17069784 21337230 28449640 42674460 85348920