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148988322 = 234721372
BaseRepresentation
bin10001110000101…
…10000110100010
3101101100101120000
420320112012202
5301120111242
622441200430
73456244200
oct1070260642
9341311500
10148988322
117711114a
1241a90116
1324b36592
1415b04070
15d12ea4c
hex8e161a2

148988322 has 90 divisors (see below), whose sum is σ = 391204737. Its totient is φ = 42257376.

The previous prime is 148988309. The next prime is 148988339. The reversal of 148988322 is 223889841.

It can be written as a sum of positive squares in 2 ways, for example, as 147841281 + 1147041 = 12159^2 + 1071^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8631.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 1087438 + ... + 1087574.

Almost surely, 2148988322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148988322

148988322 is an abundant number, since it is smaller than the sum of its proper divisors (242216415).

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

148988322 is an equidigital number, since it uses as much as digits as its factorization.

148988322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 149 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 148988322 is about 12206.0772568422. The cubic root of 148988322 is about 530.1320686658.

It can be divided in two parts, 14898 and 8322, that added together give a triangular number (23220 = T215).

The spelling of 148988322 in words is "one hundred forty-eight million, nine hundred eighty-eight thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 137 147 162 189 274 294 378 411 441 567 822 882 959 1134 1233 1323 1918 2466 2646 2877 3699 3969 5754 6713 7398 7938 8631 11097 13426 17262 18769 20139 22194 25893 37538 40278 51786 56307 60417 77679 112614 120834 131383 155358 168921 181251 262766 337842 362502 394149 506763 543753 788298 919681 1013526 1087506 1182447 1520289 1839362 2364894 2759043 3040578 3547341 5518086 7094682 8277129 10642023 16554258 21284046 24831387 49662774 74494161 148988322