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40000359 = 3710318493
BaseRepresentation
bin1001100010010…
…1101101100111
32210021020011210
42120211231213
540220002414
63545202503
7663666060
oct230455547
983236153
1040000359
1120640953
1211490433
138396a69
145453567
1537a1e59
hex2625b67

40000359 has 16 divisors (see below), whose sum is σ = 61548032. Its totient is φ = 22634208.

The previous prime is 40000349. The next prime is 40000361. The reversal of 40000359 is 95300004.

It is not a de Polignac number, because 40000359 - 27 = 40000231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000349) 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, 7084 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (3846752).

Almost surely, 240000359 is an apocalyptic number.

40000359 is a deficient number, since it is larger than the sum of its proper divisors (21547673).

40000359 is a wasteful number, since it uses less digits than its factorization.

40000359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 40000359 is about 6324.5837017151. The cubic root of 40000359 is about 341.9962124679.

The spelling of 40000359 in words is "forty million, three hundred fifty-nine", and thus it is an aban number.

Divisors: 1 3 7 21 103 309 721 2163 18493 55479 129451 388353 1904779 5714337 13333453 40000359