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427233492 = 223279111861
BaseRepresentation
bin11001011101110…
…001000011010100
31002202220201011200
4121131301003110
51333332432432
6110221032500
713405265460
oct3135610324
91082821150
10427233492
111aa186934
12bb0b5730
136a6882aa
1440a534a0
1527792a7c
hex197710d4

427233492 has 72 divisors (see below), whose sum is σ = 1236248832. Its totient is φ = 121867200.

The previous prime is 427233479. The next prime is 427233503. The reversal of 427233492 is 294332724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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, 228642 + ... + 230502.

Almost surely, 2427233492 is an apocalyptic number.

427233492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

427233492 is an abundant number, since it is smaller than the sum of its proper divisors (809015340).

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

427233492 is a wasteful number, since it uses less digits than its factorization.

427233492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789 (or 2784 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 427233492 is about 20669.6272825612. The cubic root of 427233492 is about 753.1620524966.

The spelling of 427233492 in words is "four hundred twenty-seven million, two hundred thirty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 911 1822 1861 2733 3644 3722 5466 5583 6377 7444 8199 10932 11166 12754 13027 16398 16749 19131 22332 25508 26054 32796 33498 38262 39081 52108 57393 66996 76524 78162 114786 117243 156324 229572 234486 468972 1695371 3390742 5086113 6781484 10172226 11867597 15258339 20344452 23735194 30516678 35602791 47470388 61033356 71205582 106808373 142411164 213616746 427233492