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40695520 = 255534799
BaseRepresentation
bin1001101100111…
…1011011100000
32211120112202111
42123033123200
540404224040
64012125104
71002622555
oct233173340
984515674
1040695520
1120a76168
1211766794
13857b2b8
145594a2c
15388cdea
hex26cf6e0

40695520 has 48 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 15967744.

The previous prime is 40695503. The next prime is 40695521. The reversal of 40695520 is 2559604.

It is a super-2 number, since 2×406955202 = 3312250696140800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40695521) 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, 6081 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 240695520 is an apocalyptic number.

40695520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40695520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48988800).

40695520 is an abundant number, since it is smaller than the sum of its proper divisors (57282080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40695520 is a wasteful number, since it uses less digits than its factorization.

40695520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 40695520 is about 6379.3040372755. The cubic root of 40695520 is about 343.9660143097.

The spelling of 40695520 in words is "forty million, six hundred ninety-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 80 106 160 212 265 424 530 848 1060 1696 2120 4240 4799 8480 9598 19196 23995 38392 47990 76784 95980 153568 191960 254347 383920 508694 767840 1017388 1271735 2034776 2543470 4069552 5086940 8139104 10173880 20347760 40695520