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148947750 = 2325373193
BaseRepresentation
bin10001110000011…
…00001100100110
3101101021022220100
420320030030212
5301112312000
622440244530
73456015000
oct1070141446
9341238810
10148947750
1177093716
1241a70746
1324b20c83
1415ad3370
15d122a00
hex8e0c326

148947750 has 192 divisors, whose sum is σ = 472118400. Its totient is φ = 33868800.

The previous prime is 148947749. The next prime is 148947751. The reversal of 148947750 is 57749841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148947749) and next prime (148947751).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 148947696 and 148947705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148947751) 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 95 ways as a sum of consecutive naturals, for example, 771654 + ... + 771846.

It is an arithmetic number, because the mean of its divisors is an integer number (2458950).

Almost surely, 2148947750 is an apocalyptic number.

148947750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148947750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236059200).

148947750 is an abundant number, since it is smaller than the sum of its proper divisors (323170650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148947750 is a wasteful number, since it uses less digits than its factorization.

148947750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 148947750 is about 12204.4151846780. The cubic root of 148947750 is about 530.0839430350.

The spelling of 148947750 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, seven hundred fifty".