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40818048 = 273106297
BaseRepresentation
bin1001101110110…
…1010110000000
32211210202211120
42123231112000
540422134143
64014512240
71003643025
oct233552600
984722746
1040818048
112104a227
1211805680
1385c1cbb
1455c754c
1538b4383
hex26ed580

40818048 has 32 divisors (see below), whose sum is σ = 108423960. Its totient is φ = 13605888.

The previous prime is 40818047. The next prime is 40818059. The reversal of 40818048 is 84081804.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×408180482 = 3332226085060608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40818047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52765 + ... + 53532.

Almost surely, 240818048 is an apocalyptic number.

40818048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40818048 is an abundant number, since it is smaller than the sum of its proper divisors (67605912).

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

40818048 is a wasteful number, since it uses less digits than its factorization.

40818048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106314 (or 106302 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 40818048 is about 6388.9003748689. The cubic root of 40818048 is about 344.3108781551.

The spelling of 40818048 in words is "forty million, eight hundred eighteen thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 106297 212594 318891 425188 637782 850376 1275564 1700752 2551128 3401504 5102256 6803008 10204512 13606016 20409024 40818048