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190679040 = 2113252069
BaseRepresentation
bin10110101110110…
…00100000000000
3111021210111110200
423113120200000
5342303212130
630530525200
74503513366
oct1327304000
9437714420
10190679040
11986a6a92
1253a36800
1330672846
141b477636
1511b17760
hexb5d8800

190679040 has 144 divisors (see below), whose sum is σ = 661178700. Its totient is φ = 50823168.

The previous prime is 190679033. The next prime is 190679051. The reversal of 190679040 is 40976091.

It can be written as a sum of positive squares in 2 ways, for example, as 178062336 + 12616704 = 13344^2 + 3552^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 190678986 and 190679004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91126 + ... + 93194.

Almost surely, 2190679040 is an apocalyptic number.

190679040 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 190679040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330589350).

190679040 is an abundant number, since it is smaller than the sum of its proper divisors (470499660).

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

190679040 is a wasteful number, since it uses less digits than its factorization.

190679040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 190679040 is about 13808.6581534920. The cubic root of 190679040 is about 575.5737587324.

The spelling of 190679040 in words is "one hundred ninety million, six hundred seventy-nine thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2048 2069 2304 2560 2880 3072 3840 4138 4608 5120 5760 6144 6207 7680 8276 9216 10240 10345 11520 12414 15360 16552 18432 18621 20690 23040 24828 30720 31035 33104 37242 41380 46080 49656 62070 66208 74484 82760 92160 93105 99312 124140 132416 148968 165520 186210 198624 248280 264832 297936 331040 372420 397248 496560 529664 595872 662080 744840 794496 993120 1059328 1191744 1324160 1489680 1588992 1986240 2118656 2383488 2648320 2979360 3177984 3972480 4237312 4766976 5296640 5958720 6355968 7944960 9533952 10593280 11917440 12711936 15889920 19067904 21186560 23834880 31779840 38135808 47669760 63559680 95339520 190679040