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40056453 = 3229167919
BaseRepresentation
bin1001100011001…
…1011010000101
32210101002010100
42120303122011
540223301303
63550314313
7664321443
oct230633205
983332110
1040056453
112067a008
12114b8999
1383b6458
145469b93
1537b38a3
hex2633685

40056453 has 24 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 25601184.

The previous prime is 40056431. The next prime is 40056463. The reversal of 40056453 is 35465004.

It is not a de Polignac number, because 40056453 - 25 = 40056421 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43128 + ... + 44046.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 240056453 is an apocalyptic number.

It is an amenable number.

40056453 is a deficient number, since it is larger than the sum of its proper divisors (20221947).

40056453 is a wasteful number, since it uses less digits than its factorization.

40056453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40056453 is about 6329.0167482793. The cubic root of 40056453 is about 342.1560024927.

The spelling of 40056453 in words is "forty million, fifty-six thousand, four hundred fifty-three".

Divisors: 1 3 9 29 87 167 261 501 919 1503 2757 4843 8271 14529 26651 43587 79953 153473 239859 460419 1381257 4450717 13352151 40056453