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146606660 = 225191931999
BaseRepresentation
bin10001011110100…
…00101001000100
3101012212101112022
420233100221010
5300012403120
622314142312
73430064444
oct1057205104
9335771468
10146606660
1175834832
1241121998
13244b1505
1415684124
15cd0e025
hex8bd0a44

146606660 has 48 divisors (see below), whose sum is σ = 325920000. Its totient is φ = 55240704.

The previous prime is 146606627. The next prime is 146606671. The reversal of 146606660 is 66606641.

It is a self number, because there is not a number n which added to its sum of digits gives 146606660.

It is an unprimeable number.

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, 72341 + ... + 74339.

It is an arithmetic number, because the mean of its divisors is an integer number (6790000).

Almost surely, 2146606660 is an apocalyptic number.

146606660 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 146606660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162960000).

146606660 is an abundant number, since it is smaller than the sum of its proper divisors (179313340).

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

146606660 is a wasteful number, since it uses less digits than its factorization.

146606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 146606660 is about 12108.1237192226. The cubic root of 146606660 is about 527.2920618248.

The spelling of 146606660 in words is "one hundred forty-six million, six hundred six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 193 380 386 772 965 1930 1999 3667 3860 3998 7334 7996 9995 14668 18335 19990 36670 37981 39980 73340 75962 151924 189905 379810 385807 759620 771614 1543228 1929035 3858070 7330333 7716140 14660666 29321332 36651665 73303330 146606660