Search a number
148387636 = 22173214433
BaseRepresentation
bin10001101100000…
…11011100110100
3101100012212120101
420312003130310
5300441401021
622420243444
73451163005
oct1066033464
9340185511
10148387636
1176840911
1241840584
1324986047
14159c91ac
15d061a91
hex8d83734

148387636 has 12 divisors (see below), whose sum is σ = 261180612. Its totient is φ = 73764608.

The previous prime is 148387633. The next prime is 148387639. The reversal of 148387636 is 636783841.

It is an interprime number because it is at equal distance from previous prime (148387633) and next prime (148387639).

It can be written as a sum of positive squares in 2 ways, for example, as 144144036 + 4243600 = 12006^2 + 2060^2 .

It is a super-3 number, since 3×1483876363 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148387633) 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, 106525 + ... + 107908.

It is an arithmetic number, because the mean of its divisors is an integer number (21765051).

Almost surely, 2148387636 is an apocalyptic number.

It is an amenable number.

148387636 is a deficient number, since it is larger than the sum of its proper divisors (112792976).

148387636 is a wasteful number, since it uses less digits than its factorization.

148387636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214610 (or 214608 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 148387636 is about 12181.4463837428. The cubic root of 148387636 is about 529.4186529406.

The spelling of 148387636 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, six hundred thirty-six".