Search a number
-
+
88411990 = 25411911129
BaseRepresentation
bin1010100010100…
…00111101010110
320011100210110011
411101100331112
5140113140430
612434550434
72122326622
oct521207526
9204323404
1088411990
11459a7267
122573841a
13154171b4
14ba56182
157b6622a
hex5450f56

88411990 has 32 divisors (see below), whose sum is σ = 164021760. Its totient is φ = 34291200.

The previous prime is 88411987. The next prime is 88412017. The reversal of 88411990 is 9911488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77746 + ... + 78874.

It is an arithmetic number, because the mean of its divisors is an integer number (5125680).

Almost surely, 288411990 is an apocalyptic number.

88411990 is a deficient number, since it is larger than the sum of its proper divisors (75609770).

88411990 is a wasteful number, since it uses less digits than its factorization.

88411990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 88411990 is about 9402.7650188655. The cubic root of 88411990 is about 445.4890721916.

It can be divided in two parts, 88411 and 990, that added together give a square (89401 = 2992).

The spelling of 88411990 in words is "eighty-eight million, four hundred eleven thousand, nine hundred ninety".

Divisors: 1 2 5 10 41 82 191 205 382 410 955 1129 1910 2258 5645 7831 11290 15662 39155 46289 78310 92578 215639 231445 431278 462890 1078195 2156390 8841199 17682398 44205995 88411990