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40260149 = 292515531
BaseRepresentation
bin1001100110010…
…1001000110101
32210202102112122
42121211020311
540301311044
63554525325
7666130346
oct231451065
983672478
1040260149
11207a9056
1211596845
138458097
1454c00cd
153803dee
hex2665235

40260149 has 8 divisors (see below), whose sum is σ = 41821920. Its totient is φ = 38710000.

The previous prime is 40260137. The next prime is 40260161. The reversal of 40260149 is 94106204.

It is an interprime number because it is at equal distance from previous prime (40260137) and next prime (40260161).

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 40260149 - 24 = 40260133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260119) 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, 4514 + ... + 10044.

It is an arithmetic number, because the mean of its divisors is an integer number (5227740).

Almost surely, 240260149 is an apocalyptic number.

It is an amenable number.

40260149 is a deficient number, since it is larger than the sum of its proper divisors (1561771).

40260149 is a wasteful number, since it uses less digits than its factorization.

40260149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40260149 is about 6345.0885730618. The cubic root of 40260149 is about 342.7350020207.

The spelling of 40260149 in words is "forty million, two hundred sixty thousand, one hundred forty-nine".

Divisors: 1 29 251 5531 7279 160399 1388281 40260149