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438053133 = 37190110973
BaseRepresentation
bin11010000111000…
…010100100001101
31010112021101221010
4122013002210031
51344120200013
6111244555433
713566250560
oct3207024415
91115241833
10438053133
112052a6891
12102852b79
136c9a5c4b
144226c4d7
15286cd7c3
hex1a1c290d

438053133 has 16 divisors (see below), whose sum is σ = 667921536. Its totient is φ = 250161600.

The previous prime is 438053117. The next prime is 438053177. The reversal of 438053133 is 331350834.

It is not a de Polignac number, because 438053133 - 24 = 438053117 is a prime.

It is a super-2 number, since 2×4380531332 = 383781094662231378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 438053133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438033133) 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, 34435 + ... + 45407.

It is an arithmetic number, because the mean of its divisors is an integer number (41745096).

Almost surely, 2438053133 is an apocalyptic number.

It is an amenable number.

438053133 is a deficient number, since it is larger than the sum of its proper divisors (229868403).

438053133 is a wasteful number, since it uses less digits than its factorization.

438053133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 438053133 is about 20929.7188944333. The cubic root of 438053133 is about 759.4670391988.

The spelling of 438053133 in words is "four hundred thirty-eight million, fifty-three thousand, one hundred thirty-three".

Divisors: 1 3 7 21 1901 5703 10973 13307 32919 39921 76811 230433 20859673 62579019 146017711 438053133