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75339340 = 2255037489
BaseRepresentation
bin1000111110110…
…01011001001100
312020202122010221
410133121121030
5123241324330
611250441124
71603242136
oct437313114
9166678127
1075339340
113958861a
12212931a4
13127babbb
14a012056
156932b7a
hex47d964c

75339340 has 24 divisors (see below), whose sum is σ = 158548320. Its totient is φ = 30071808.

The previous prime is 75339337. The next prime is 75339347. The reversal of 75339340 is 4393357.

It is a junction number, because it is equal to n+sod(n) for n = 75339296 and 75339305.

It is not an unprimeable number, because it can be changed into a prime (75339347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316 + ... + 13804.

It is an arithmetic number, because the mean of its divisors is an integer number (6606180).

Almost surely, 275339340 is an apocalyptic number.

It is an amenable number.

75339340 is an abundant number, since it is smaller than the sum of its proper divisors (83208980).

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

75339340 is a wasteful number, since it uses less digits than its factorization.

75339340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001 (or 7999 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 75339340 is about 8679.8237309291. The cubic root of 75339340 is about 422.3513990202.

The spelling of 75339340 in words is "seventy-five million, three hundred thirty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 503 1006 2012 2515 5030 7489 10060 14978 29956 37445 74890 149780 3766967 7533934 15067868 18834835 37669670 75339340