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148828428 = 22347211311
BaseRepresentation
bin10001101111011…
…11000100001100
3101101001021020000
420313233010030
5301100002203
622433524300
73455010060
oct1067570414
9341037200
10148828428
1177012001
1241a13690
1324aab878
1415aa1aa0
15d0ec4a3
hex8def10c

148828428 has 120 divisors (see below), whose sum is σ = 448191744. Its totient is φ = 42184800.

The previous prime is 148828411. The next prime is 148828447. The reversal of 148828428 is 824828841.

148828428 is a `hidden beast` number, since 148 + 82 + 8 + 428 = 666.

148828428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 478393 + ... + 478703.

Almost surely, 2148828428 is an apocalyptic number.

148828428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148828428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224095872).

148828428 is an abundant number, since it is smaller than the sum of its proper divisors (299363316).

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

148828428 is a wasteful number, since it uses less digits than its factorization.

148828428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 534 counting only the distinct ones).

The product of its digits is 262144, while the sum is 45.

The square root of 148828428 is about 12199.5257284863. The cubic root of 148828428 is about 529.9423551878.

The spelling of 148828428 in words is "one hundred forty-eight million, eight hundred twenty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 211 252 311 324 378 422 567 622 633 756 844 933 1134 1244 1266 1477 1866 1899 2177 2268 2532 2799 2954 3732 3798 4354 4431 5598 5697 5908 6531 7596 8397 8708 8862 11196 11394 13062 13293 16794 17091 17724 19593 22788 25191 26124 26586 33588 34182 39186 39879 50382 53172 58779 65621 68364 78372 79758 100764 117558 119637 131242 159516 176337 196863 235116 239274 262484 352674 393726 459347 478548 590589 705348 787452 918694 1181178 1378041 1771767 1837388 2362356 2756082 3543534 4134123 5315301 5512164 7087068 8268246 10630602 12402369 16536492 21261204 24804738 37207107 49609476 74414214 148828428