Search a number
-
+
106229749 is a prime number
BaseRepresentation
bin1100101010011…
…10111111110101
321101220000211011
412111032333311
5204143322444
614312512221
72426636503
oct625167765
9241800734
10106229749
1154a66a8a
122b6ab671
1319015252
1410173673
1594d5734
hex654eff5

106229749 has 2 divisors, whose sum is σ = 106229750. Its totient is φ = 106229748.

The previous prime is 106229687. The next prime is 106229759. The reversal of 106229749 is 947922601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68591524 + 37638225 = 8282^2 + 6135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106229749 is a prime.

It is a super-2 number, since 2×1062297492 = 22569519145206002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106229759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53114874 + 53114875.

It is an arithmetic number, because the mean of its divisors is an integer number (53114875).

Almost surely, 2106229749 is an apocalyptic number.

It is an amenable number.

106229749 is a deficient number, since it is larger than the sum of its proper divisors (1).

106229749 is an equidigital number, since it uses as much as digits as its factorization.

106229749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 106229749 is about 10306.7816994443. The cubic root of 106229749 is about 473.6040254981.

The spelling of 106229749 in words is "one hundred six million, two hundred twenty-nine thousand, seven hundred forty-nine".