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160230040 = 23519434903
BaseRepresentation
bin10011000110011…
…10101010011000
3102011111112021221
421203032222120
5312004330130
623522141424
73653634655
oct1143165230
9364445257
10160230040
118249a223
12457b1874
1327271399
14173ccc2c
15e10087a
hex98cea98

160230040 has 64 divisors (see below), whose sum is σ = 388396800. Its totient is φ = 59294592.

The previous prime is 160230019. The next prime is 160230043. The reversal of 160230040 is 40032061.

It is a junction number, because it is equal to n+sod(n) for n = 160229996 and 160230023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160230043) by changing a digit.

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, 30229 + ... + 35131.

It is an arithmetic number, because the mean of its divisors is an integer number (6068700).

Almost surely, 2160230040 is an apocalyptic number.

160230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160230040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194198400).

160230040 is an abundant number, since it is smaller than the sum of its proper divisors (228166760).

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

160230040 is a wasteful number, since it uses less digits than its factorization.

160230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 160230040 is about 12658.2005040211. The cubic root of 160230040 is about 543.1435756572.

The spelling of 160230040 in words is "one hundred sixty million, two hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 43 76 86 95 152 172 190 215 344 380 430 760 817 860 1634 1720 3268 4085 4903 6536 8170 9806 16340 19612 24515 32680 39224 49030 93157 98060 186314 196120 210829 372628 421658 465785 745256 843316 931570 1054145 1686632 1863140 2108290 3726280 4005751 4216580 8011502 8433160 16023004 20028755 32046008 40057510 80115020 160230040