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401885484 = 2237111333457
BaseRepresentation
bin10111111101000…
…100100100101100
31001000012220020120
4113331010210230
51310340313414
6103513444540
712646653540
oct2775044454
91030186216
10401885484
11196943570
12b2710750
1365351880
143b535a20
15254372a9
hex17f4492c

401885484 has 96 divisors (see below), whose sum is σ = 1259091456. Its totient is φ = 96353280.

The previous prime is 401885483. The next prime is 401885543. The reversal of 401885484 is 484588104.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (401885483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4717 + ... + 28740.

It is an arithmetic number, because the mean of its divisors is an integer number (13115536).

Almost surely, 2401885484 is an apocalyptic number.

401885484 is a gapful number since it is divisible by the number (44) 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 401885484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629545728).

401885484 is an abundant number, since it is smaller than the sum of its proper divisors (857205972).

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

401885484 is a wasteful number, since it uses less digits than its factorization.

401885484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33495 (or 33493 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 401885484 is about 20047.0816828784. The cubic root of 401885484 is about 737.9621825349.

The spelling of 401885484 in words is "four hundred one million, eight hundred eighty-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 11 12 13 14 21 22 26 28 33 39 42 44 52 66 77 78 84 91 132 143 154 156 182 231 273 286 308 364 429 462 546 572 858 924 1001 1092 1716 2002 3003 4004 6006 12012 33457 66914 100371 133828 200742 234199 368027 401484 434941 468398 702597 736054 869882 936796 1104081 1304823 1405194 1472108 1739764 2208162 2576189 2609646 2810388 3044587 4416324 4784351 5152378 5219292 6089174 7728567 9133761 9568702 10304756 12178348 14353053 15457134 18267522 19137404 28706106 30914268 33490457 36535044 57412212 66980914 100471371 133961828 200942742 401885484