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385321048 = 237171273187
BaseRepresentation
bin10110111101111…
…000100001011000
3222212001100002221
4112331320201120
51242120233143
6102122433424
712356113660
oct2675704130
9885040087
10385321048
1118855a452
12a9062874
1361aa2128
14392631a0
1523c642ed
hex16f78858

385321048 has 64 divisors (see below), whose sum is σ = 881418240. Its totient is φ = 154151424.

The previous prime is 385321039. The next prime is 385321051. The reversal of 385321048 is 840123583.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 119311 + ... + 122497.

It is an arithmetic number, because the mean of its divisors is an integer number (13772160).

Almost surely, 2385321048 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 385321048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440709120).

385321048 is an abundant number, since it is smaller than the sum of its proper divisors (496097192).

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

385321048 is a wasteful number, since it uses less digits than its factorization.

385321048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 385321048 is about 19629.5962261071. The cubic root of 385321048 is about 727.6807913041.

The spelling of 385321048 in words is "three hundred eighty-five million, three hundred twenty-one thousand, forty-eight".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 127 136 238 254 476 508 889 952 1016 1778 2159 3187 3556 4318 6374 7112 8636 12748 15113 17272 22309 25496 30226 44618 54179 60452 89236 108358 120904 178472 216716 379253 404749 433432 758506 809498 1517012 1618996 2833243 3034024 3237992 5666486 6880733 11332972 13761466 22665944 27522932 48165131 55045864 96330262 192660524 385321048