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130074240 = 2735371831
BaseRepresentation
bin1111100000011…
…00011010000000
3100001202110022110
413300030122000
5231244333430
620523535320
73136420122
oct760143200
9301673273
10130074240
116747277a
123768a540
1320c4350a
14133bd212
15b6457b0
hex7c0c680

130074240 has 128 divisors (see below), whose sum is σ = 426049920. Its totient is φ = 33730560.

The previous prime is 130074221. The next prime is 130074257. The reversal of 130074240 is 42470031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×1300742403 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70125 + ... + 71955.

It is an arithmetic number, because the mean of its divisors is an integer number (3328515).

Almost surely, 2130074240 is an apocalyptic number.

130074240 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 130074240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213024960).

130074240 is an abundant number, since it is smaller than the sum of its proper divisors (295975680).

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

130074240 is a wasteful number, since it uses less digits than its factorization.

130074240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 130074240 is about 11405.0094256866. The cubic root of 130074240 is about 506.6761155517.

The spelling of 130074240 in words is "one hundred thirty million, seventy-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 74 80 96 111 120 128 148 160 185 192 222 240 296 320 370 384 444 480 555 592 640 740 888 960 1110 1184 1480 1776 1831 1920 2220 2368 2960 3552 3662 4440 4736 5493 5920 7104 7324 8880 9155 10986 11840 14208 14648 17760 18310 21972 23680 27465 29296 35520 36620 43944 54930 58592 67747 71040 73240 87888 109860 117184 135494 146480 175776 203241 219720 234368 270988 292960 338735 351552 406482 439440 541976 585920 677470 703104 812964 878880 1016205 1083952 1171840 1354940 1625928 1757760 2032410 2167904 2709880 3251856 3515520 4064820 4335808 5419760 6503712 8129640 8671616 10839520 13007424 16259280 21679040 26014848 32518560 43358080 65037120 130074240