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42672450 = 2352284483
BaseRepresentation
bin1010001011001…
…0000101000010
32222021222121010
42202302011002
541411004300
64122341350
71025465322
oct242620502
988258533
1042672450
11220a6497
121235a856
138ac1092
14594b282
153b2da50
hex28b2142

42672450 has 24 divisors (see below), whose sum is σ = 105828048. Its totient is φ = 11379280.

The previous prime is 42672437. The next prime is 42672451. The reversal of 42672450 is 5427624.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42672451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142092 + ... + 142391.

It is an arithmetic number, because the mean of its divisors is an integer number (4409502).

Almost surely, 242672450 is an apocalyptic number.

42672450 is an abundant number, since it is smaller than the sum of its proper divisors (63155598).

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

42672450 is a wasteful number, since it uses less digits than its factorization.

42672450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284498 (or 284493 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 42672450 is about 6532.4153266613. The cubic root of 42672450 is about 349.4479733282.

The spelling of 42672450 in words is "forty-two million, six hundred seventy-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 284483 568966 853449 1422415 1706898 2844830 4267245 7112075 8534490 14224150 21336225 42672450