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126490 = 25713139
BaseRepresentation
bin11110111000011010
320102111211
4132320122
513021430
62413334
71034530
oct367032
9212454
10126490
1187041
126124a
1345760
1434150
152772a
hex1ee1a

126490 has 32 divisors (see below), whose sum is σ = 282240. Its totient is φ = 39744.

The previous prime is 126487. The next prime is 126491. The reversal of 126490 is 94621.

126490 = T27 + T28 + ... + T91.

It is not an unprimeable number, because it can be changed into a prime (126491) 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, 841 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2126490 is an apocalyptic number.

126490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126490 is an abundant number, since it is smaller than the sum of its proper divisors (155750).

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

126490 is a wasteful number, since it uses less digits than its factorization.

126490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 126490 is about 355.6543265588. The cubic root of 126490 is about 50.1978824840.

It can be divided in two parts, 126 and 490, that added together give a palindrome (616).

The spelling of 126490 in words is "one hundred twenty-six thousand, four hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 139 182 278 455 695 910 973 1390 1807 1946 3614 4865 9035 9730 12649 18070 25298 63245 126490