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83950240 = 2551147699
BaseRepresentation
bin1010000000011…
…11101010100000
312211222010002011
411000033222200
5132442401430
612155202304
72036364613
oct500175240
9184863064
1083950240
114342a070
1224146394
13145143ca
14b21417a
15758422a
hex500faa0

83950240 has 48 divisors (see below), whose sum is σ = 216367200. Its totient is φ = 30526720.

The previous prime is 83950231. The next prime is 83950241. The reversal of 83950240 is 4205938.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (83950241) 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, 22090 + ... + 25609.

It is an arithmetic number, because the mean of its divisors is an integer number (4507650).

Almost surely, 283950240 is an apocalyptic number.

83950240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83950240 is an abundant number, since it is smaller than the sum of its proper divisors (132416960).

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

83950240 is a wasteful number, since it uses less digits than its factorization.

83950240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47725 (or 47717 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 83950240 is about 9162.4363572142. The cubic root of 83950240 is about 437.8654187832.

The spelling of 83950240 in words is "eighty-three million, nine hundred fifty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 47699 95398 190796 238495 381592 476990 524689 763184 953980 1049378 1526368 1907960 2098756 2623445 3815920 4197512 5246890 7631840 8395024 10493780 16790048 20987560 41975120 83950240