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40438848 = 263210619
BaseRepresentation
bin1001101001000…
…0110001000000
32211002111200010
42122100301000
540323020343
64002424520
71000503342
oct232206100
984074603
1040438848
112091033a
1211662140
1384bb518
145529292
15383bd33
hex2690c40

40438848 has 28 divisors (see below), whose sum is σ = 106994960. Its totient is φ = 13479552.

The previous prime is 40438843. The next prime is 40438889. The reversal of 40438848 is 84883404.

It is not an unprimeable number, because it can be changed into a prime (40438843) 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, 105118 + ... + 105501.

Almost surely, 240438848 is an apocalyptic number.

40438848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40438848 is an abundant number, since it is smaller than the sum of its proper divisors (66556112).

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

40438848 is a wasteful number, since it uses less digits than its factorization.

40438848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210634 (or 210624 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 40438848 is about 6359.1546608020. The cubic root of 40438848 is about 343.2413423281.

The spelling of 40438848 in words is "forty million, four hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 210619 421238 631857 842476 1263714 1684952 2527428 3369904 5054856 6739808 10109712 13479616 20219424 40438848