Search a number
-
+
148905706 = 2241308933
BaseRepresentation
bin10001110000000…
…01111011101010
3101101012012020011
420320001323222
5301104440311
622435322134
73455451265
oct1070017352
9341165204
10148905706
1177065074
1241a5034a
1324b07ab1
1415ac1cdc
15d115321
hex8e01eea

148905706 has 8 divisors (see below), whose sum is σ = 224286084. Its totient is φ = 74143680.

The previous prime is 148905671. The next prime is 148905709. The reversal of 148905706 is 607509841.

It can be written as a sum of positive squares in 2 ways, for example, as 146531025 + 2374681 = 12105^2 + 1541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (148905709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153985 + ... + 154948.

Almost surely, 2148905706 is an apocalyptic number.

148905706 is a deficient number, since it is larger than the sum of its proper divisors (75380378).

148905706 is a wasteful number, since it uses less digits than its factorization.

148905706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309176.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 148905706 is about 12202.6925717237. The cubic root of 148905706 is about 530.0340621279.

The spelling of 148905706 in words is "one hundred forty-eight million, nine hundred five thousand, seven hundred six".

Divisors: 1 2 241 482 308933 617866 74452853 148905706