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140037517 = 1761831627
BaseRepresentation
bin10000101100011…
…00110110001101
3100202111122100201
420112030312031
5241322200032
621521253501
73320204434
oct1026146615
9322448321
10140037517
1172058294
123aa94291
1323021449
141485411b
15c4628e7
hex858cd8d

140037517 has 16 divisors (see below), whose sum is σ = 152615232. Its totient is φ = 127998720.

The previous prime is 140037511. The next prime is 140037529. The reversal of 140037517 is 715730041.

It is a cyclic number.

It is not a de Polignac number, because 140037517 - 27 = 140037389 is a prime.

It is a super-2 number, since 2×1400375172 = 39221012335050578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140037511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85258 + ... + 86884.

It is an arithmetic number, because the mean of its divisors is an integer number (9538452).

Almost surely, 2140037517 is an apocalyptic number.

140037517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140037517 is a deficient number, since it is larger than the sum of its proper divisors (12577715).

140037517 is a wasteful number, since it uses less digits than its factorization.

140037517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 140037517 is about 11833.7448426101. The cubic root of 140037517 is about 519.2957886143.

Adding to 140037517 its reverse (715730041), we get a palindrome (855767558).

The spelling of 140037517 in words is "one hundred forty million, thirty-seven thousand, five hundred seventeen".

Divisors: 1 17 61 83 1037 1411 1627 5063 27659 86071 99247 135041 1687199 2295697 8237501 140037517