Search a number
-
+
46987481 is a prime number
BaseRepresentation
bin1011001100111…
…1100011011001
310021102012201002
42303033203121
544012044411
64355034345
71110246512
oct263174331
9107365632
1046987481
1124583432
121389b9b5
139972158
146351a09
1541d233b
hex2ccf8d9

46987481 has 2 divisors, whose sum is σ = 46987482. Its totient is φ = 46987480.

The previous prime is 46987469. The next prime is 46987543. The reversal of 46987481 is 18478964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 2298256 = 6685^2 + 1516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-46987481 is a prime.

It is a super-2 number, since 2×469874812 = 4415646741450722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46986481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23493740 + 23493741.

It is an arithmetic number, because the mean of its divisors is an integer number (23493741).

Almost surely, 246987481 is an apocalyptic number.

It is an amenable number.

46987481 is a deficient number, since it is larger than the sum of its proper divisors (1).

46987481 is an equidigital number, since it uses as much as digits as its factorization.

46987481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 46987481 is about 6854.7414976788. The cubic root of 46987481 is about 360.8505634000.

The spelling of 46987481 in words is "forty-six million, nine hundred eighty-seven thousand, four hundred eighty-one".