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490740790250 = 2531962963161
BaseRepresentation
bin1110010010000100110…
…11100011001111101010
31201220200120101010022002
413021002123203033222
531020014120242000
61013235422131002
750312004614624
oct7110233431752
91656616333262
10490740790250
1117a138423137
127b138120a62
1337379a82139
1419a75615c14
15cb72d038d5
hex72426e33ea

490740790250 has 16 divisors (see below), whose sum is σ = 918666759816. Its totient is φ = 196296316000.

The previous prime is 490740790249. The next prime is 490740790261. The reversal of 490740790250 is 52097047094.

It can be written as a sum of positive squares in 4 ways, for example, as 80614541329 + 410126248921 = 283927^2 + 640411^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 490740790195 and 490740790204.

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, 981481331 + ... + 981481830.

Almost surely, 2490740790250 is an apocalyptic number.

490740790250 is a deficient number, since it is larger than the sum of its proper divisors (427925969566).

490740790250 is a wasteful number, since it uses less digits than its factorization.

490740790250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962963178 (or 1962963168 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 490740790250 in words is "four hundred ninety billion, seven hundred forty million, seven hundred ninety thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 1962963161 3925926322 9814815805 19629631610 49074079025 98148158050 245370395125 490740790250