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490401290 = 25472514157
BaseRepresentation
bin11101001110101…
…110111000001010
31021011202222002202
4131032232320022
52001020320130
6120355000202
715103225241
oct3516567012
91234688082
10490401290
11231900825
12118299062
137a7a40a2
14491b7958
152d0be145
hex1d3aee0a

490401290 has 32 divisors (see below), whose sum is σ = 905313024. Its totient is φ = 191176000.

The previous prime is 490401271. The next prime is 490401299. The reversal of 490401290 is 92104094.

It is not an unprimeable number, because it can be changed into a prime (490401299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115892 + ... + 120048.

It is an arithmetic number, because the mean of its divisors is an integer number (28291032).

Almost surely, 2490401290 is an apocalyptic number.

490401290 is a deficient number, since it is larger than the sum of its proper divisors (414911734).

490401290 is a wasteful number, since it uses less digits than its factorization.

490401290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 490401290 is about 22145.0059832911. The cubic root of 490401290 is about 788.5886728302.

The spelling of 490401290 in words is "four hundred ninety million, four hundred one thousand, two hundred ninety".

Divisors: 1 2 5 10 47 94 235 251 470 502 1255 2510 4157 8314 11797 20785 23594 41570 58985 117970 195379 390758 976895 1043407 1953790 2086814 5217035 10434070 49040129 98080258 245200645 490401290