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148980752 = 2423571709
BaseRepresentation
bin10001110000101…
…00010000010000
3101101100000011122
420320110100100
5301114341002
622441101412
73456213134
oct1070242020
9341300148
10148980752
1177106498
1241a87868
1324b32cbb
1415b013c4
15d12c6a2
hex8e14410

148980752 has 40 divisors (see below), whose sum is σ = 302153280. Its totient is φ = 71026560.

The previous prime is 148980751. The next prime is 148980763. The reversal of 148980752 is 257089841.

It is not an unprimeable number, because it can be changed into a prime (148980751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209774 + ... + 210482.

It is an arithmetic number, because the mean of its divisors is an integer number (7553832).

Almost surely, 2148980752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148980752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151076640).

148980752 is an abundant number, since it is smaller than the sum of its proper divisors (153172528).

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

148980752 is a wasteful number, since it uses less digits than its factorization.

148980752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 148980752 is about 12205.7671614692. The cubic root of 148980752 is about 530.1230899583.

The spelling of 148980752 in words is "one hundred forty-eight million, nine hundred eighty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 571 709 1142 1418 2284 2836 4568 5672 9136 11344 13133 16307 26266 32614 52532 65228 105064 130456 210128 260912 404839 809678 1619356 3238712 6477424 9311297 18622594 37245188 74490376 148980752