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122542330 = 2567182899
BaseRepresentation
bin1110100110111…
…01100011111010
322112120210110211
413103131203322
5222332323310
620054301334
73015410161
oct723354372
9275523424
10122542330
1163198959
123505784a
131c507171
14123bc3d8
15ab58c8a
hex74dd8fa

122542330 has 16 divisors (see below), whose sum is σ = 223869600. Its totient is φ = 48285072.

The previous prime is 122542327. The next prime is 122542337. The reversal of 122542330 is 33245221.

It is not an unprimeable number, because it can be changed into a prime (122542337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90780 + ... + 92119.

It is an arithmetic number, because the mean of its divisors is an integer number (13991850).

Almost surely, 2122542330 is an apocalyptic number.

122542330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122542330 is a deficient number, since it is larger than the sum of its proper divisors (101327270).

122542330 is a wasteful number, since it uses less digits than its factorization.

122542330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182973.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 122542330 is about 11069.8839198973. The cubic root of 122542330 is about 496.7013929045.

Adding to 122542330 its reverse (33245221), we get a palindrome (155787551).

The spelling of 122542330 in words is "one hundred twenty-two million, five hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 182899 365798 914495 1828990 12254233 24508466 61271165 122542330