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40053871 = 1113280097
BaseRepresentation
bin1001100011001…
…0110001101111
32210100221120201
42120302301233
540223210441
63550254331
7664311064
oct230626157
983327521
1040053871
1120678080
12114b73a7
1383b5220
145468c6b
1537b2c31
hex2632c6f

40053871 has 8 divisors (see below), whose sum is σ = 47056464. Its totient is φ = 33611520.

The previous prime is 40053847. The next prime is 40053877. The reversal of 40053871 is 17835004.

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

It is a cyclic number.

It is not a de Polignac number, because 40053871 - 29 = 40053359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053877) 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, 139906 + ... + 140191.

It is an arithmetic number, because the mean of its divisors is an integer number (5882058).

Almost surely, 240053871 is an apocalyptic number.

40053871 is a deficient number, since it is larger than the sum of its proper divisors (7002593).

40053871 is a wasteful number, since it uses less digits than its factorization.

40053871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280121.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40053871 is about 6328.8127638602. The cubic root of 40053871 is about 342.1486506537.

Adding to 40053871 its reverse (17835004), we get a palindrome (57888875).

The spelling of 40053871 in words is "forty million, fifty-three thousand, eight hundred seventy-one".

Divisors: 1 11 13 143 280097 3081067 3641261 40053871