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881411220 = 223453117551
BaseRepresentation
bin110100100010010…
…100010010010100
32021102112022220000
4310202110102110
53301120124340
6223243411300
730561605004
oct6442242224
92242468800
10881411220
11412596328
12207223b30
131107b8701
14850bc004
15525a8d30
hex34894494

881411220 has 120 divisors (see below), whose sum is σ = 2854376448. Its totient is φ = 227448000.

The previous prime is 881411213. The next prime is 881411227. The reversal of 881411220 is 22114188.

It is an interprime number because it is at equal distance from previous prime (881411213) and next prime (881411227).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881411227) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 41445 + ... + 58995.

Almost surely, 2881411220 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 881411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427188224).

881411220 is an abundant number, since it is smaller than the sum of its proper divisors (1972965228).

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

881411220 is a wasteful number, since it uses less digits than its factorization.

881411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603 (or 17592 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 881411220 is about 29688.5705280669. The cubic root of 881411220 is about 958.7959514303.

The spelling of 881411220 in words is "eight hundred eighty-one million, four hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 31 36 45 54 60 62 81 90 93 108 124 135 155 162 180 186 270 279 310 324 372 405 465 540 558 620 810 837 930 1116 1395 1620 1674 1860 2511 2790 3348 4185 5022 5580 8370 10044 12555 16740 17551 25110 35102 50220 52653 70204 87755 105306 157959 175510 210612 263265 315918 351020 473877 526530 544081 631836 789795 947754 1053060 1088162 1421631 1579590 1632243 1895508 2176324 2369385 2720405 2843262 3159180 3264486 4738770 4896729 5440810 5686524 6528972 7108155 8161215 9477540 9793458 10881620 14216310 14690187 16322430 19586916 24483645 28432620 29380374 32644860 44070561 48967290 58760748 73450935 88141122 97934580 146901870 176282244 220352805 293803740 440705610 881411220