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47073130 = 2513973733
BaseRepresentation
bin1011001110010…
…0011101101010
310021120120012021
42303210131222
544022320010
64400535054
71111054306
oct263443552
9107516167
1047073130
1124631815
121392148a
1399a2130
146374d06
1541ec8da
hex2ce476a

47073130 has 32 divisors (see below), whose sum is σ = 92214864. Its totient is φ = 17197056.

The previous prime is 47073121. The next prime is 47073137. The reversal of 47073130 is 3137074.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11539609 + 35533521 = 3397^2 + 5961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47073095 and 47073104.

It is not an unprimeable number, because it can be changed into a prime (47073137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10744 + ... + 14476.

Almost surely, 247073130 is an apocalyptic number.

47073130 is a deficient number, since it is larger than the sum of its proper divisors (45141734).

47073130 is a wasteful number, since it uses less digits than its factorization.

47073130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 47073130 is about 6860.9860807321. The cubic root of 47073130 is about 361.0696836806.

The spelling of 47073130 in words is "forty-seven million, seventy-three thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 97 130 194 485 970 1261 2522 3733 6305 7466 12610 18665 37330 48529 97058 242645 362101 485290 724202 1810505 3621010 4707313 9414626 23536565 47073130