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450152430 = 235713181911
BaseRepresentation
bin11010110101001…
…100011111101110
31011101001010001020
4122311030133232
51410214334210
6112400155010
714104142520
oct3265143756
91141033036
10450152430
11211110202
12106908a66
13723511b0
1443adba10
15297bd770
hex1ad4c7ee

450152430 has 128 divisors (see below), whose sum is σ = 1338494976. Its totient is φ = 94348800.

The previous prime is 450152419. The next prime is 450152491. The reversal of 450152430 is 34251054.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 450152430.

It is a congruent number.

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, 493675 + ... + 494585.

It is an arithmetic number, because the mean of its divisors is an integer number (10456992).

Almost surely, 2450152430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450152430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669247488).

450152430 is an abundant number, since it is smaller than the sum of its proper divisors (888342546).

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

450152430 is a wasteful number, since it uses less digits than its factorization.

450152430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 450152430 is about 21216.7959409521. The cubic root of 450152430 is about 766.3959474752.

The spelling of 450152430 in words is "four hundred fifty million, one hundred fifty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 181 182 195 210 273 362 390 455 543 546 905 910 911 1086 1267 1365 1810 1822 2353 2534 2715 2730 2733 3801 4555 4706 5430 5466 6335 6377 7059 7602 9110 11765 11843 12670 12754 13665 14118 16471 19005 19131 23530 23686 27330 31885 32942 35295 35529 38010 38262 49413 59215 63770 70590 71058 82355 82901 95655 98826 118430 164710 164891 165802 177645 191310 247065 248703 329782 355290 414505 494130 494673 497406 824455 829010 989346 1154237 1243515 1648910 2143583 2308474 2473365 2487030 3462711 4287166 4946730 5771185 6430749 6925422 10717915 11542370 12861498 15005081 17313555 21435830 30010162 32153745 34627110 45015243 64307490 75025405 90030486 150050810 225076215 450152430