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40025073 = 3111816701
BaseRepresentation
bin1001100010101…
…1101111110001
32210022111002010
42120223233301
540221300243
63545513133
7664131114
oct230535761
983274063
1040025073
1120658480
12114a27a9
1383a509a
14545c57b
1537a9433
hex262bbf1

40025073 has 16 divisors (see below), whose sum is σ = 58548672. Its totient is φ = 24120000.

The previous prime is 40025071. The next prime is 40025087. The reversal of 40025073 is 37052004.

It is a happy number.

It is not a de Polignac number, because 40025073 - 21 = 40025071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40025071) 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, 2623 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (3659292).

Almost surely, 240025073 is an apocalyptic number.

It is an amenable number.

40025073 is a deficient number, since it is larger than the sum of its proper divisors (18523599).

40025073 is a wasteful number, since it uses less digits than its factorization.

40025073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40025073 is about 6326.5372045061. The cubic root of 40025073 is about 342.0666314550.

Adding to 40025073 its reverse (37052004), we get a palindrome (77077077).

The spelling of 40025073 in words is "forty million, twenty-five thousand, seventy-three".

Divisors: 1 3 11 33 181 543 1991 5973 6701 20103 73711 221133 1212881 3638643 13341691 40025073