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47873740 = 2252393687
BaseRepresentation
bin1011011010011…
…1111011001100
310100002020102111
42312213323030
544223424430
64430033404
71120630405
oct266477314
9110066374
1047873740
1125029282
1214048864
139bc2675
1465029ac
154309c2a
hex2da7ecc

47873740 has 12 divisors (see below), whose sum is σ = 100534896. Its totient is φ = 19149488.

The previous prime is 47873731. The next prime is 47873743. The reversal of 47873740 is 4737874.

It is a junction number, because it is equal to n+sod(n) for n = 47873693 and 47873702.

It is not an unprimeable number, because it can be changed into a prime (47873743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196824 + ... + 1196863.

It is an arithmetic number, because the mean of its divisors is an integer number (8377908).

Almost surely, 247873740 is an apocalyptic number.

It is an amenable number.

47873740 is an abundant number, since it is smaller than the sum of its proper divisors (52661156).

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

47873740 is a wasteful number, since it uses less digits than its factorization.

47873740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393696 (or 2393694 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 47873740 is about 6919.0851996489. The cubic root of 47873740 is about 363.1051864751.

The spelling of 47873740 in words is "forty-seven million, eight hundred seventy-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2393687 4787374 9574748 11968435 23936870 47873740