Search a number
-
+
494879040 = 263252331241
BaseRepresentation
bin11101011111110…
…100000101000000
31021111012110102100
4131133310011000
52003142112130
6121034550400
715156255015
oct3537640500
91244173370
10494879040
11234389a47
12119898400
137b6b1246
1449a2170c
152d6a5c60
hex1d7f4140

494879040 has 336 divisors, whose sum is σ = 1841089536. Its totient is φ = 121651200.

The previous prime is 494879023. The next prime is 494879057. The reversal of 494879040 is 40978494.

494879040 is a `hidden beast` number, since 49 + 487 + 90 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (494879023) and next prime (494879057).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2053320 + ... + 2053560.

Almost surely, 2494879040 is an apocalyptic number.

494879040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494879040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920544768).

494879040 is an abundant number, since it is smaller than the sum of its proper divisors (1346210496).

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

494879040 is a wasteful number, since it uses less digits than its factorization.

494879040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 494879040 is about 22245.8769213533. The cubic root of 494879040 is about 790.9815498058.

The spelling of 494879040 in words is "four hundred ninety-four million, eight hundred seventy-nine thousand, forty".