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43480400437 = 292515973403
BaseRepresentation
bin101000011111101000…
…100100001000110101
311011020020001012100101
4220133220210020311
51203021440303222
631550303514101
73066325206565
oct503750441065
9134206035311
1043480400437
1117492609441
1285155b8931
13413c148ac6
142166906da5
1511e7321927
hexa1fa24235

43480400437 has 8 divisors (see below), whose sum is σ = 45158934240. Its totient is φ = 41813814000.

The previous prime is 43480400419. The next prime is 43480400459. The reversal of 43480400437 is 73400408434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43480400437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43480400396 and 43480400405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43480400407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979423 + ... + 2993980.

It is an arithmetic number, because the mean of its divisors is an integer number (5644866780).

Almost surely, 243480400437 is an apocalyptic number.

It is an amenable number.

43480400437 is a deficient number, since it is larger than the sum of its proper divisors (1678533803).

43480400437 is a wasteful number, since it uses less digits than its factorization.

43480400437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973683.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 43480400437 in words is "forty-three billion, four hundred eighty million, four hundred thousand, four hundred thirty-seven".

Divisors: 1 29 251 7279 5973403 173228687 1499324153 43480400437