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4280325680 = 245103519457
BaseRepresentation
bin1111111100100000…
…1001011000110000
3102001022012001222202
43333020021120300
532231230410210
61544422122332
7211033111421
oct37710113060
912038161882
104280325680
1118a7150044
129b55803a8
13532a213b7
142c8685648
151a0b999a5
hexff209630

4280325680 has 40 divisors (see below), whose sum is σ = 10048395552. Its totient is φ = 1695504384.

The previous prime is 4280325641. The next prime is 4280325733. The reversal of 4280325680 is 865230824.

It is a tau number, because it is divible by the number of its divisors (40).

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, 251489 + ... + 267968.

Almost surely, 24280325680 is an apocalyptic number.

4280325680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4280325680 is an abundant number, since it is smaller than the sum of its proper divisors (5768069872).

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

4280325680 is a wasteful number, since it uses less digits than its factorization.

4280325680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519573 (or 519567 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 4280325680 is about 65424.1979698643. The cubic root of 4280325680 is about 1623.6494568047.

The spelling of 4280325680 in words is "four billion, two hundred eighty million, three hundred twenty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 103 206 412 515 824 1030 1648 2060 4120 8240 519457 1038914 2077828 2597285 4155656 5194570 8311312 10389140 20778280 41556560 53504071 107008142 214016284 267520355 428032568 535040710 856065136 1070081420 2140162840 4280325680