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174485990940 = 223517457374321
BaseRepresentation
bin1010001010000000101…
…1001110111000011100
3121200101020011201210220
42202200023032320130
510324321403202230
6212054024201340
715414632310642
oct2424013167034
9550336151726
10174485990940
1167aa987a5a8
1229997009250
13135b94672b1
148633777192
1548135bcd10
hex28a02cee1c

174485990940 has 96 divisors (see below), whose sum is σ = 518432975424. Its totient is φ = 43696619520.

The previous prime is 174485990929. The next prime is 174485990963. The reversal of 174485990940 is 49099584471.

It is a super-2 number, since 2×1744859909402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278980 + ... + 653300.

It is an arithmetic number, because the mean of its divisors is an integer number (5400343494).

Almost surely, 2174485990940 is an apocalyptic number.

174485990940 is a gapful number since it is divisible by the number (10) 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 174485990940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259216487712).

174485990940 is an abundant number, since it is smaller than the sum of its proper divisors (343946984484).

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

174485990940 is a wasteful number, since it uses less digits than its factorization.

174485990940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374807 (or 374805 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 174485990940 in words is "one hundred seventy-four billion, four hundred eighty-five million, nine hundred ninety thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 457 510 914 1020 1371 1828 2285 2742 4570 5484 6855 7769 9140 13710 15538 23307 27420 31076 38845 46614 77690 93228 116535 155380 233070 374321 466140 748642 1122963 1497284 1871605 2245926 3743210 4491852 5614815 6363457 7486420 11229630 12726914 19090371 22459260 25453828 31817285 38180742 63634570 76361484 95451855 127269140 171064697 190903710 342129394 381807420 513194091 684258788 855323485 1026388182 1710646970 2052776364 2565970455 2908099849 3421293940 5131940910 5816199698 8724299547 10263881820 11632399396 14540499245 17448599094 29080998490 34897198188 43621497735 58161996980 87242995470 174485990940