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3730421420 = 22511121713933
BaseRepresentation
bin1101111001011001…
…1011011010101100
3100121222110001011022
43132112123122230
530114441441140
61414055513312
7161305026125
oct33626333254
910558401138
103730421420
1116447a8910
12881388838
13475b1566b
1427561d04c
1516c7750b5
hexde59b6ac

3730421420 has 48 divisors (see below), whose sum is σ = 8553692448. Its totient is φ = 1355304960.

The previous prime is 3730421417. The next prime is 3730421459. The reversal of 3730421420 is 241240373.

It is a self number, because there is not a number n which added to its sum of digits gives 3730421420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260774 + ... + 274706.

It is an arithmetic number, because the mean of its divisors is an integer number (178201926).

Almost surely, 23730421420 is an apocalyptic number.

It is an amenable number.

3730421420 is an abundant number, since it is smaller than the sum of its proper divisors (4823271028).

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

3730421420 is a wasteful number, since it uses less digits than its factorization.

3730421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170 (or 15168 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3730421420 is about 61077.1759334041. The cubic root of 3730421420 is about 1550.9077471563.

Adding to 3730421420 its reverse (241240373), we get a palindrome (3971661793).

The spelling of 3730421420 in words is "three billion, seven hundred thirty million, four hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1217 2434 4868 6085 12170 13387 13933 24340 26774 27866 53548 55732 66935 69665 133870 139330 153263 267740 278660 306526 613052 766315 1532630 3065260 16956461 33912922 67825844 84782305 169564610 186521071 339129220 373042142 746084284 932605355 1865210710 3730421420