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47072104 = 23291371481
BaseRepresentation
bin1011001110010…
…0001101101000
310021120111210021
42303210031220
544022301404
64400530224
71111051312
oct263441550
9107514707
1047072104
1124630a72
1213920974
1399a1821
1463747b2
1541ec454
hex2ce4368

47072104 has 32 divisors (see below), whose sum is σ = 92032200. Its totient is φ = 22543360.

The previous prime is 47072093. The next prime is 47072107. The reversal of 47072104 is 40127074.

It can be written as a sum of positive squares in 4 ways, for example, as 40832100 + 6240004 = 6390^2 + 2498^2 .

It is not an unprimeable number, because it can be changed into a prime (47072107) 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, 31044 + ... + 32524.

Almost surely, 247072104 is an apocalyptic number.

It is an amenable number.

47072104 is a deficient number, since it is larger than the sum of its proper divisors (44960096).

47072104 is a wasteful number, since it uses less digits than its factorization.

47072104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 47072104 is about 6860.9113097314. The cubic root of 47072104 is about 361.0670603851.

Adding to 47072104 its reverse (40127074), we get a palindrome (87199178).

The spelling of 47072104 in words is "forty-seven million, seventy-two thousand, one hundred four".

Divisors: 1 2 4 8 29 58 116 137 232 274 548 1096 1481 2962 3973 5924 7946 11848 15892 31784 42949 85898 171796 202897 343592 405794 811588 1623176 5884013 11768026 23536052 47072104