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8040944 = 243071637
BaseRepresentation
bin11110101011000111110000
3120010112002202
4132223013300
54024302234
6444202332
7125226662
oct36530760
916115082
108040944
1145a230a
1228393a8
131886c72
1410d4532
15a8c77e
hex7ab1f0

8040944 has 20 divisors (see below), whose sum is σ = 15639624. Its totient is φ = 4004928.

The previous prime is 8040937. The next prime is 8040947. The reversal of 8040944 is 4490408.

It is a happy number.

It is a super-2 number, since 2×80409442 = 129313560822272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094 + ... + 5730.

Almost surely, 28040944 is an apocalyptic number.

It is an amenable number.

8040944 is a deficient number, since it is larger than the sum of its proper divisors (7598680).

8040944 is a wasteful number, since it uses less digits than its factorization.

8040944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8040944 is about 2835.6558324310. The cubic root of 8040944 is about 200.3406195622.

It can be divided in two parts, 80 and 40944, that multiplied together give a triangular number (3275520 = T2559).

The spelling of 8040944 in words is "eight million, forty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 307 614 1228 1637 2456 3274 4912 6548 13096 26192 502559 1005118 2010236 4020472 8040944