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450366540 = 2235131913023
BaseRepresentation
bin11010110110000…
…000110001001100
31011101102222202020
4122312000301030
51410243212130
6112404530140
714106023661
oct3266006114
91141388666
10450366540
11211247058
121069b0950
13723c77a0
1443b55a68
1529811e10
hex1ad80c4c

450366540 has 96 divisors (see below), whose sum is σ = 1365590016. Its totient is φ = 110242560.

The previous prime is 450366523. The next prime is 450366547. The reversal of 450366540 is 45663054.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (450366547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147469 + ... + 150491.

It is an arithmetic number, because the mean of its divisors is an integer number (14224896).

Almost surely, 2450366540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450366540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682795008).

450366540 is an abundant number, since it is smaller than the sum of its proper divisors (915223476).

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

450366540 is a wasteful number, since it uses less digits than its factorization.

450366540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3237 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 450366540 is about 21221.8411076890. The cubic root of 450366540 is about 766.5174374535.

The spelling of 450366540 in words is "four hundred fifty million, three hundred sixty-six thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 191 195 260 382 390 573 764 780 955 1146 1910 2292 2483 2865 3023 3820 4966 5730 6046 7449 9069 9932 11460 12092 12415 14898 15115 18138 24830 29796 30230 36276 37245 39299 45345 49660 60460 74490 78598 90690 117897 148980 157196 181380 196495 235794 392990 471588 577393 589485 785980 1154786 1178970 1732179 2309572 2357940 2886965 3464358 5773930 6928716 7506109 8660895 11547860 15012218 17321790 22518327 30024436 34643580 37530545 45036654 75061090 90073308 112591635 150122180 225183270 450366540