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40057633 = 711673773
BaseRepresentation
bin1001100011001…
…1101100100001
32210101010202001
42120303230201
540223321013
63550324001
7664325050
oct230635441
983333661
1040057633
112067a990
12114b9601
1383b6b55
14546a397
1537b3ddd
hex2633b21

40057633 has 16 divisors (see below), whose sum is σ = 50080896. Its totient is φ = 31127040.

The previous prime is 40057621. The next prime is 40057649. The reversal of 40057633 is 33675004.

It is not a de Polignac number, because 40057633 - 25 = 40057601 is a prime.

It is a super-2 number, since 2×400576332 = 3209227923125378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40057133) 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, 51435 + ... + 52207.

It is an arithmetic number, because the mean of its divisors is an integer number (3130056).

Almost surely, 240057633 is an apocalyptic number.

It is an amenable number.

40057633 is a deficient number, since it is larger than the sum of its proper divisors (10023263).

40057633 is a wasteful number, since it uses less digits than its factorization.

40057633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 40057633 is about 6329.1099690241. The cubic root of 40057633 is about 342.1593622520.

The spelling of 40057633 in words is "forty million, fifty-seven thousand, six hundred thirty-three".

Divisors: 1 7 11 77 673 773 4711 5411 7403 8503 51821 59521 520229 3641603 5722519 40057633