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40758490 = 2531131479
BaseRepresentation
bin1001101101111…
…0110011011010
32211200202010201
42123132303122
540413232430
64013332414
71003304263
oct233366332
984622121
1040758490
1121009503
121179710a
1385a0b66
1455ad96a
1538a18ca
hex26decda

40758490 has 16 divisors (see below), whose sum is σ = 75732480. Its totient is φ = 15777360.

The previous prime is 40758481. The next prime is 40758493. The reversal of 40758490 is 9485704.

It is a super-2 number, since 2×407584902 = 3322509014160200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40758493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65430 + ... + 66049.

It is an arithmetic number, because the mean of its divisors is an integer number (4733280).

Almost surely, 240758490 is an apocalyptic number.

40758490 is a deficient number, since it is larger than the sum of its proper divisors (34973990).

40758490 is a wasteful number, since it uses less digits than its factorization.

40758490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131517.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40758490 is about 6384.2376208910. The cubic root of 40758490 is about 344.1433342204.

The spelling of 40758490 in words is "forty million, seven hundred fifty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 131479 262958 657395 1314790 4075849 8151698 20379245 40758490