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122401340 = 22514394253
BaseRepresentation
bin1110100101110…
…11001000111100
322112022122001222
413102323020330
5222313320330
620051252512
73014252135
oct722731074
9275278058
10122401340
1163101a36
1234baa138
131c487c39
1412382c8c
15ab2c0e5
hex74bb23c

122401340 has 24 divisors (see below), whose sum is σ = 257281920. Its totient is φ = 48915008.

The previous prime is 122401339. The next prime is 122401379. The reversal of 122401340 is 43104221.

It is a congruent number.

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, 26654 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (10720080).

Almost surely, 2122401340 is an apocalyptic number.

122401340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122401340 is an abundant number, since it is smaller than the sum of its proper divisors (134880580).

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

122401340 is a wasteful number, since it uses less digits than its factorization.

122401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701 (or 5699 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122401340 is about 11063.5139083385. The cubic root of 122401340 is about 496.5108279952.

Adding to 122401340 its reverse (43104221), we get a palindrome (165505561).

The spelling of 122401340 in words is "one hundred twenty-two million, four hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1439 2878 4253 5756 7195 8506 14390 17012 21265 28780 42530 85060 6120067 12240134 24480268 30600335 61200670 122401340