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1293080490 = 233513368399
BaseRepresentation
bin100110100010010…
…1101011110101010
310100010011021222000
41031010231132222
510122012033430
6332151111430
744021000652
oct11504553652
93303137860
101293080490
11603a01569
12301072576
13177b845b0
14c3a3d362
15787c4e60
hex4d12d7aa

1293080490 has 64 divisors (see below), whose sum is σ = 3713472000. Its totient is φ = 318295872.

The previous prime is 1293080461. The next prime is 1293080527. The reversal of 1293080490 is 940803921.

1293080490 is a `hidden beast` number, since 1 + 2 + 93 + 0 + 80 + 490 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180690 + ... + 187709.

It is an arithmetic number, because the mean of its divisors is an integer number (58023000).

Almost surely, 21293080490 is an apocalyptic number.

1293080490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293080490 is an abundant number, since it is smaller than the sum of its proper divisors (2420391510).

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

1293080490 is a wasteful number, since it uses less digits than its factorization.

1293080490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368428 (or 368422 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1293080490 is about 35959.4283881154. The cubic root of 1293080490 is about 1089.4530516328.

The spelling of 1293080490 in words is "one billion, two hundred ninety-three million, eighty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 368399 736798 1105197 1841995 2210394 3315591 3683990 4789187 5525985 6631182 9578374 9946773 11051970 14367561 16577955 19893546 23945935 28735122 33155910 43102683 47891870 49733865 71837805 86205366 99467730 129308049 143675610 215513415 258616098 431026830 646540245 1293080490