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146310020 = 22523331397
BaseRepresentation
bin10001011100010…
…00001110000100
3101012022022121122
420232020032010
5244423410040
622303533112
73424420553
oct1056101604
9335268548
10146310020
117565197a
1240bba198
132440949c
1415607d9a
15cca11b5
hex8b88384

146310020 has 24 divisors (see below), whose sum is σ = 308579544. Its totient is φ = 58270976.

The previous prime is 146309971. The next prime is 146310067. The reversal of 146310020 is 20013641.

It can be written as a sum of positive squares in 4 ways, for example, as 2262016 + 144048004 = 1504^2 + 12002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11039 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (12857481).

Almost surely, 2146310020 is an apocalyptic number.

146310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146310020 is an abundant number, since it is smaller than the sum of its proper divisors (162269524).

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

146310020 is a wasteful number, since it uses less digits than its factorization.

146310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31639 (or 31637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 146310020 is about 12095.8678894902. The cubic root of 146310020 is about 526.9361854685.

Adding to 146310020 its reverse (20013641), we get a palindrome (166323661).

The spelling of 146310020 in words is "one hundred forty-six million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 233 466 932 1165 2330 4660 31397 62794 125588 156985 313970 627940 7315501 14631002 29262004 36577505 73155010 146310020