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122328442 = 261164221
BaseRepresentation
bin1110100101010…
…01010101111010
322112011221002001
413102221111322
5222304002232
620045531214
73013526455
oct722512572
9275157061
10122328442
1163062195
1234b73b0a
131c4609c2
141236449c
15ab156e7
hex74a957a

122328442 has 4 divisors (see below), whose sum is σ = 183492666. Its totient is φ = 61164220.

The previous prime is 122328377. The next prime is 122328443. The reversal of 122328442 is 244823221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244823221 = 317772313.

It can be written as a sum of positive squares in only one way, i.e., 66243321 + 56085121 = 8139^2 + 7489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122328442.

It is not an unprimeable number, because it can be changed into a prime (122328443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582109 + ... + 30582112.

Almost surely, 2122328442 is an apocalyptic number.

122328442 is a deficient number, since it is larger than the sum of its proper divisors (61164224).

122328442 is an equidigital number, since it uses as much as digits as its factorization.

122328442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61164223.

The product of its digits is 6144, while the sum is 28.

The square root of 122328442 is about 11060.2188947597. The cubic root of 122328442 is about 496.4122402015.

The spelling of 122328442 in words is "one hundred twenty-two million, three hundred twenty-eight thousand, four hundred forty-two".

Divisors: 1 2 61164221 122328442