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40880438 = 2197314737
BaseRepresentation
bin1001101111110…
…0100100110110
32211220221102022
42123330210312
540431133223
64020113142
71004322644
oct233744466
984827368
1040880438
1121092095
12118357b2
138614511
145602194
1538c7ac8
hex26fc936

40880438 has 16 divisors (see below), whose sum is σ = 65436720. Its totient is φ = 19097856.

The previous prime is 40880429. The next prime is 40880443. The reversal of 40880438 is 83408804.

It is a super-2 number, since 2×408804382 = 3342420422143688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40880398 and 40880407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (4089795).

Almost surely, 240880438 is an apocalyptic number.

40880438 is a deficient number, since it is larger than the sum of its proper divisors (24556282).

40880438 is a wasteful number, since it uses less digits than its factorization.

40880438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14831.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 40880438 is about 6393.7811973823. The cubic root of 40880438 is about 344.4862141583.

The spelling of 40880438 in words is "forty million, eight hundred eighty thousand, four hundred thirty-eight".

Divisors: 1 2 19 38 73 146 1387 2774 14737 29474 280003 560006 1075801 2151602 20440219 40880438