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40063057 = 437312763
BaseRepresentation
bin1001100011010…
…1000001010001
32210101102011221
42120311001101
540224004212
63550405041
7664346626
oct230650121
983342157
1040063057
1120683a71
1211500781
1383b9468
14546c34d
1537b5807
hex2635051

40063057 has 8 divisors (see below), whose sum is σ = 41559584. Its totient is φ = 38592288.

The previous prime is 40062991. The next prime is 40063087. The reversal of 40063057 is 75036004.

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 40063057 - 27 = 40062929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40063087) 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, 3243 + ... + 9520.

It is an arithmetic number, because the mean of its divisors is an integer number (5194948).

Almost surely, 240063057 is an apocalyptic number.

It is an amenable number.

40063057 is a deficient number, since it is larger than the sum of its proper divisors (1496527).

40063057 is a wasteful number, since it uses less digits than its factorization.

40063057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12879.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40063057 is about 6329.5384507877. The cubic root of 40063057 is about 342.1748049070.

The spelling of 40063057 in words is "forty million, sixty-three thousand, fifty-seven".

Divisors: 1 43 73 3139 12763 548809 931699 40063057