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145784848 = 24114189227
BaseRepresentation
bin10001011000010…
…00000000010000
3101011022122012211
420230020000100
5244310103343
622244401504
73420102466
oct1054100020
9334278184
10145784848
1175323350
12409a6294
1324284431
141550c836
15cbea79d
hex8b08010

145784848 has 80 divisors (see below), whose sum is σ = 320604480. Its totient is φ = 63641600.

The previous prime is 145784801. The next prime is 145784857. The reversal of 145784848 is 848487541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642111 + ... + 642337.

It is an arithmetic number, because the mean of its divisors is an integer number (4007556).

Almost surely, 2145784848 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 145784848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160302240).

145784848 is an abundant number, since it is smaller than the sum of its proper divisors (174819632).

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

145784848 is a wasteful number, since it uses less digits than its factorization.

145784848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 370 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 49.

The square root of 145784848 is about 12074.1396380860. The cubic root of 145784848 is about 526.3049598530.

The spelling of 145784848 in words is "one hundred forty-five million, seven hundred eighty-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 41 44 82 88 89 164 176 178 227 328 356 451 454 656 712 902 908 979 1424 1804 1816 1958 2497 3608 3632 3649 3916 4994 7216 7298 7832 9307 9988 14596 15664 18614 19976 20203 29192 37228 39952 40139 40406 58384 74456 80278 80812 102377 148912 160556 161624 204754 222233 321112 323248 409508 444466 642224 819016 828323 888932 1638032 1656646 1777864 3313292 3555728 6626584 9111553 13253168 18223106 36446212 72892424 145784848