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490026811390 = 25192472888117
BaseRepresentation
bin1110010000101111101…
…11111011111111111110
31201211211210220020102121
413020113313323333332
531012033330431030
61013040515113154
750255215112614
oct7102767737776
91654753806377
10490026811390
111799013a6266
127ab78ba27ba
1337294b8a13c
1419a0887d6b4
15cb302be47a
hex7217dfbffe

490026811390 has 48 divisors (see below), whose sum is σ = 950722235712. Its totient is φ = 181743363648.

The previous prime is 490026811387. The next prime is 490026811411. The reversal of 490026811390 is 93118620094.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274389 + ... + 1613728.

It is an arithmetic number, because the mean of its divisors is an integer number (19806713244).

Almost surely, 2490026811390 is an apocalyptic number.

490026811390 is a deficient number, since it is larger than the sum of its proper divisors (460695424322).

490026811390 is a wasteful number, since it uses less digits than its factorization.

490026811390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888209 (or 2888190 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 490026811390 in words is "four hundred ninety billion, twenty-six million, eight hundred eleven thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 47 94 95 190 235 361 470 722 893 1786 1805 3610 4465 8930 16967 33934 84835 169670 2888117 5776234 14440585 28881170 54874223 109748446 135741499 271482998 274371115 548742230 678707495 1042610237 1357414990 2085220474 2579088481 5158176962 5213051185 10426102370 12895442405 25790884810 49002681139 98005362278 245013405695 490026811390