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40945299 = 3171017949
BaseRepresentation
bin1001110000110…
…0011010010011
32212001020101120
42130030122103
540440222144
64021333323
71005013023
oct234143223
985036346
1040945299
112112689a
1211867243
138637bb5
14561ba83
1538dbe19
hex270c693

40945299 has 16 divisors (see below), whose sum is σ = 58384800. Its totient is φ = 25433600.

The previous prime is 40945291. The next prime is 40945321. The reversal of 40945299 is 99254904.

It is a cyclic number.

It is not a de Polignac number, because 40945299 - 23 = 40945291 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40945299.

It is not an unprimeable number, because it can be changed into a prime (40945291) 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, 1177 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (3649050).

Almost surely, 240945299 is an apocalyptic number.

40945299 is a deficient number, since it is larger than the sum of its proper divisors (17439501).

40945299 is a wasteful number, since it uses less digits than its factorization.

40945299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 40945299 is about 6398.8513813027. The cubic root of 40945299 is about 344.6683054385.

The spelling of 40945299 in words is "forty million, nine hundred forty-five thousand, two hundred ninety-nine".

Divisors: 1 3 17 51 101 303 1717 5151 7949 23847 135133 405399 802849 2408547 13648433 40945299