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40373130 = 23571743263
BaseRepresentation
bin1001101000000…
…0101110001010
32210222011112010
42122000232022
540313420010
64001200350
71000110630
oct232005612
983864463
1040373130
1120875a26
12116300b6
138497635
14550d350
153827620
hex2680b8a

40373130 has 128 divisors (see below), whose sum is σ = 120434688. Its totient is φ = 8451072.

The previous prime is 40373111. The next prime is 40373149. The reversal of 40373130 is 3137304.

It is an interprime number because it is at equal distance from previous prime (40373111) and next prime (40373149).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40373097 and 40373106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153379 + ... + 153641.

It is an arithmetic number, because the mean of its divisors is an integer number (940896).

Almost surely, 240373130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40373130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60217344).

40373130 is an abundant number, since it is smaller than the sum of its proper divisors (80061558).

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

40373130 is a wasteful number, since it uses less digits than its factorization.

40373130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 40373130 is about 6353.9853635337. The cubic root of 40373130 is about 343.0553053361.

The spelling of 40373130 in words is "forty million, three hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 43 51 70 85 86 102 105 119 129 170 210 215 238 255 258 263 301 357 430 510 526 595 602 645 714 731 789 903 1190 1290 1315 1462 1505 1578 1785 1806 1841 2193 2630 3010 3570 3655 3682 3945 4386 4471 4515 5117 5523 7310 7890 8942 9030 9205 10234 10965 11046 11309 13413 15351 18410 21930 22355 22618 25585 26826 27615 30702 31297 33927 44710 51170 55230 56545 62594 67065 67854 76755 79163 93891 113090 134130 153510 156485 158326 169635 187782 192253 237489 312970 339270 384506 395815 469455 474978 576759 791630 938910 961265 1153518 1187445 1345771 1922530 2374890 2691542 2883795 4037313 5767590 6728855 8074626 13457710 20186565 40373130