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8073545420 = 2251992697541
BaseRepresentation
bin1111000010011100…
…01000011011001100
3202211122210121020202
413201032020123030
5113013311423140
63413044033032
7404033001203
oct74116103314
922748717222
108073545420
113473340196
121693992778
139b8853615
1456837023a
15323bc6915
hex1e13886cc

8073545420 has 48 divisors (see below), whose sum is σ = 17105256000. Its totient is φ = 3200820480.

The previous prime is 8073545411. The next prime is 8073545471. The reversal of 8073545420 is 245453708.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066850 + ... + 1074390.

It is an arithmetic number, because the mean of its divisors is an integer number (356359500).

Almost surely, 28073545420 is an apocalyptic number.

It is an amenable number.

8073545420 is an abundant number, since it is smaller than the sum of its proper divisors (9031710580).

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

8073545420 is a wasteful number, since it uses less digits than its factorization.

8073545420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018 (or 8016 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 8073545420 is about 89852.9099139254. The cubic root of 8073545420 is about 2006.1100993339.

The spelling of 8073545420 in words is "eight billion, seventy-three million, five hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 199 269 398 538 796 995 1076 1345 1990 2690 3980 5380 7541 15082 30164 37705 53531 75410 107062 150820 214124 267655 535310 1070620 1500659 2028529 3001318 4057058 6002636 7503295 8114116 10142645 15006590 20285290 30013180 40570580 403677271 807354542 1614709084 2018386355 4036772710 8073545420