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423071838 = 23273790749
BaseRepresentation
bin11001001101111…
…001000001011110
31002111002021110100
4121031321001132
51331301244323
6105551521530
713325023410
oct3115710136
91074067410
10423071838
111a78a4152
12b98292a6
136985bc87
144028c9b0
152721e943
hex1937905e

423071838 has 48 divisors (see below), whose sum is σ = 1075932000. Its totient is φ = 117609408.

The previous prime is 423071827. The next prime is 423071851. The reversal of 423071838 is 838170324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40713 + ... + 50036.

It is an arithmetic number, because the mean of its divisors is an integer number (22415250).

Almost surely, 2423071838 is an apocalyptic number.

423071838 is an abundant number, since it is smaller than the sum of its proper divisors (652860162).

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

423071838 is a wasteful number, since it uses less digits than its factorization.

423071838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90801 (or 90798 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 423071838 is about 20568.7101686032. The cubic root of 423071838 is about 750.7085676983.

The spelling of 423071838 in words is "four hundred twenty-three million, seventy-one thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 37 42 63 74 111 126 222 259 333 518 666 777 1554 2331 4662 90749 181498 272247 544494 635243 816741 1270486 1633482 1905729 3357713 3811458 5717187 6715426 10073139 11434374 20146278 23503991 30219417 47007982 60438834 70511973 141023946 211535919 423071838