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42269730 = 2351408991
BaseRepresentation
bin1010000100111…
…1110000100010
32221112112011120
42201033300202
541310112410
64105553110
71022200236
oct241176042
987475146
1042269730
1121950968
12121a5796
1389ac999
1458845c6
153a9e570
hex284fc22

42269730 has 16 divisors (see below), whose sum is σ = 101447424. Its totient is φ = 11271920.

The previous prime is 42269723. The next prime is 42269743. The reversal of 42269730 is 3796224.

It is a junction number, because it is equal to n+sod(n) for n = 42269691 and 42269700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704466 + ... + 704525.

It is an arithmetic number, because the mean of its divisors is an integer number (6340464).

Almost surely, 242269730 is an apocalyptic number.

42269730 is an abundant number, since it is smaller than the sum of its proper divisors (59177694).

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

42269730 is a wasteful number, since it uses less digits than its factorization.

42269730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409001.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 42269730 is about 6501.5175151652. The cubic root of 42269730 is about 348.3451951934.

The spelling of 42269730 in words is "forty-two million, two hundred sixty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1408991 2817982 4226973 7044955 8453946 14089910 21134865 42269730