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47420607 = 3133161643
BaseRepresentation
bin1011010011100…
…1010010111111
310022020012211210
42310321102333
544114424412
64412215503
71114032333
oct264712277
9108205753
1047420607
1124849893
1213a6a593
139a94340
1464257c3
15426a83c
hex2d394bf

47420607 has 32 divisors (see below), whose sum is σ = 71550976. Its totient is φ = 27734400.

The previous prime is 47420579. The next prime is 47420617. The reversal of 47420607 is 70602474.

It is not a de Polignac number, because 47420607 - 26 = 47420543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47420617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73428 + ... + 74070.

It is an arithmetic number, because the mean of its divisors is an integer number (2235968).

Almost surely, 247420607 is an apocalyptic number.

47420607 is a deficient number, since it is larger than the sum of its proper divisors (24130369).

47420607 is a wasteful number, since it uses less digits than its factorization.

47420607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 47420607 is about 6886.2621936723. The cubic root of 47420607 is about 361.9559356436.

The spelling of 47420607 in words is "forty-seven million, four hundred twenty thousand, six hundred seven".

Divisors: 1 3 13 31 39 61 93 183 403 643 793 1209 1891 1929 2379 5673 8359 19933 24583 25077 39223 59799 73749 117669 259129 509899 777387 1215913 1529697 3647739 15806869 47420607