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430545136 = 24729711867
BaseRepresentation
bin11001101010011…
…001100011110000
31010000010221220011
4121222121203300
51340204421021
6110420024304
713445400430
oct3152314360
91100127804
10430545136
11201038a2a
12100232094
136b277748
14412762c0
1527be8de1
hex19a998f0

430545136 has 80 divisors (see below), whose sum is σ = 1000650240. Its totient is φ = 175553280.

The previous prime is 430545131. The next prime is 430545139. The reversal of 430545136 is 631545034.

It is a super-2 number, since 2×4305451362 = 370738228266516992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 430545098 and 430545107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430545131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229675 + ... + 231541.

It is an arithmetic number, because the mean of its divisors is an integer number (12508128).

Almost surely, 2430545136 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 430545136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500325120).

430545136 is an abundant number, since it is smaller than the sum of its proper divisors (570105104).

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

430545136 is a wasteful number, since it uses less digits than its factorization.

430545136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 430545136 is about 20749.5815861429. The cubic root of 430545136 is about 755.1030580194.

The spelling of 430545136 in words is "four hundred thirty million, five hundred forty-five thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 71 112 116 142 203 232 284 406 464 497 568 812 994 1136 1624 1867 1988 2059 3248 3734 3976 4118 7468 7952 8236 13069 14413 14936 16472 26138 28826 29872 32944 52276 54143 57652 104552 108286 115304 132557 209104 216572 230608 265114 379001 433144 530228 758002 866288 927899 1060456 1516004 1855798 2120912 3032008 3711596 3844153 6064016 7423192 7688306 14846384 15376612 26909071 30753224 53818142 61506448 107636284 215272568 430545136