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194741040 = 24351362417
BaseRepresentation
bin10111001101110…
…00001100110000
3111120102212111010
423212320030300
5344323203130
631153550520
74553162064
oct1346701460
9446385433
10194741040
119aa2090a
1255275440
13314656b0
141bc13aa4
151216b0b0
hexb9b8330

194741040 has 80 divisors (see below), whose sum is σ = 650145888. Its totient is φ = 47935488.

The previous prime is 194741009. The next prime is 194741077. The reversal of 194741040 is 40147491.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 194740989 and 194741007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28089 + ... + 34328.

Almost surely, 2194741040 is an apocalyptic number.

194741040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194741040 is an abundant number, since it is smaller than the sum of its proper divisors (455404848).

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

194741040 is a wasteful number, since it uses less digits than its factorization.

194741040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62446 (or 62440 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 194741040 is about 13954.9647079453. The cubic root of 194741040 is about 579.6321885190.

The spelling of 194741040 in words is "one hundred ninety-four million, seven hundred forty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 62417 124834 187251 249668 312085 374502 499336 624170 749004 811421 936255 998672 1248340 1498008 1622842 1872510 2434263 2496680 2996016 3245684 3745020 4057105 4868526 4993360 6491368 7490040 8114210 9737052 12171315 12982736 14980080 16228420 19474104 24342630 32456840 38948208 48685260 64913680 97370520 194741040