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148638824 = 23191496563
BaseRepresentation
bin10001101110000…
…00110001101000
3101100200122010122
420313000301220
5301022420244
622425502412
73453260225
oct1067006150
9340618118
10148638824
11769a2604
1241941a08
1324a43489
1415a5294c
15d0b11ee
hex8dc0c68

148638824 has 32 divisors (see below), whose sum is σ = 295380000. Its totient is φ = 69924672.

The previous prime is 148638821. The next prime is 148638827. The reversal of 148638824 is 428836841.

It is an interprime number because it is at equal distance from previous prime (148638821) and next prime (148638827).

It is not an unprimeable number, because it can be changed into a prime (148638821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19367 + ... + 25929.

It is an arithmetic number, because the mean of its divisors is an integer number (9230625).

Almost surely, 2148638824 is an apocalyptic number.

It is an amenable number.

148638824 is a deficient number, since it is larger than the sum of its proper divisors (146741176).

148638824 is a wasteful number, since it uses less digits than its factorization.

148638824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737 (or 6733 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 148638824 is about 12191.7522940716. The cubic root of 148638824 is about 529.7172147553.

The spelling of 148638824 in words is "one hundred forty-eight million, six hundred thirty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 149 152 298 596 1192 2831 5662 6563 11324 13126 22648 26252 52504 124697 249394 498788 977887 997576 1955774 3911548 7823096 18579853 37159706 74319412 148638824