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40948293 = 313649431
BaseRepresentation
bin1001110000110…
…1001001000101
32212001101111110
42130031021011
540440321133
64021355233
71005024531
oct234151105
985041443
1040948293
1121129071
1211868b19
138639379
14561cbc1
1538dcc63
hex270d245

40948293 has 4 divisors (see below), whose sum is σ = 54597728. Its totient is φ = 27298860.

The previous prime is 40948279. The next prime is 40948309. The reversal of 40948293 is 39284904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-40948293 is a prime.

It is a super-2 number, since 2×409482932 = 3353525399227698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40948213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6824713 + ... + 6824718.

It is an arithmetic number, because the mean of its divisors is an integer number (13649432).

Almost surely, 240948293 is an apocalyptic number.

It is an amenable number.

40948293 is a deficient number, since it is larger than the sum of its proper divisors (13649435).

40948293 is a wasteful number, since it uses less digits than its factorization.

40948293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649434.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 40948293 is about 6399.0853252633. The cubic root of 40948293 is about 344.6767061730.

The spelling of 40948293 in words is "forty million, nine hundred forty-eight thousand, two hundred ninety-three".

Divisors: 1 3 13649431 40948293