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36311490 = 236517293
BaseRepresentation
bin1000101010000…
…1000111000010
32112022211000000
42022201013002
533243431430
63334140430
7620433255
oct212410702
975284000
1036311490
11195513a6
12101b1716
1376a49b7
144b7309c
1532c3e60
hex22a11c2

36311490 has 112 divisors (see below), whose sum is σ = 104114808. Its totient is φ = 9082368.

The previous prime is 36311461. The next prime is 36311537. The reversal of 36311490 is 9411363.

It can be written as a sum of positive squares in 4 ways, for example, as 36252441 + 59049 = 6021^2 + 243^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 123784 + ... + 124076.

Almost surely, 236311490 is an apocalyptic number.

36311490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36311490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52057404).

36311490 is an abundant number, since it is smaller than the sum of its proper divisors (67803318).

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

36311490 is a wasteful number, since it uses less digits than its factorization.

36311490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 36311490 is about 6025.9015922931. The cubic root of 36311490 is about 331.1423221867.

The spelling of 36311490 in words is "thirty-six million, three hundred eleven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 102 135 153 162 170 243 255 270 293 306 405 459 486 510 586 729 765 810 879 918 1215 1377 1458 1465 1530 1758 2295 2430 2637 2754 2930 3645 4131 4395 4590 4981 5274 6885 7290 7911 8262 8790 9962 12393 13185 13770 14943 15822 20655 23733 24786 24905 26370 29886 39555 41310 44829 47466 49810 61965 71199 74715 79110 89658 118665 123930 134487 142398 149430 213597 224145 237330 268974 355995 403461 427194 448290 672435 711990 806922 1067985 1210383 1344870 2017305 2135970 2420766 3631149 4034610 6051915 7262298 12103830 18155745 36311490