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40844949 = 3311992207
BaseRepresentation
bin1001101111001…
…1111010010101
32211212010201220
42123303322111
540424014244
64015240553
71004114325
oct233637225
984763656
1040844949
1121068462
1211819159
138601312
1455d3285
1538bc319
hex26f3e95

40844949 has 16 divisors (see below), whose sum is σ = 56524800. Its totient is φ = 26207280.

The previous prime is 40844917. The next prime is 40844953. The reversal of 40844949 is 94944804.

It is not a de Polignac number, because 40844949 - 25 = 40844917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40844949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40844989) 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, 17404 + ... + 19610.

It is an arithmetic number, because the mean of its divisors is an integer number (3532800).

Almost surely, 240844949 is an apocalyptic number.

It is an amenable number.

40844949 is a deficient number, since it is larger than the sum of its proper divisors (15679851).

40844949 is a wasteful number, since it uses less digits than its factorization.

40844949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40844949 is about 6391.0053199790. The cubic root of 40844949 is about 344.3865005278.

The spelling of 40844949 in words is "forty million, eight hundred forty-four thousand, nine hundred forty-nine".

Divisors: 1 3 31 93 199 597 2207 6169 6621 18507 68417 205251 439193 1317579 13614983 40844949