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122789046 = 2320464841
BaseRepresentation
bin1110101000110…
…01110010110110
322120001022220110
413110121302312
5222413222141
620103443450
73020455362
oct724316266
9276038813
10122789046
1163347256
1235156586
131c592553
14124442a2
15aba6e16
hex7519cb6

122789046 has 8 divisors (see below), whose sum is σ = 245578104. Its totient is φ = 40929680.

The previous prime is 122789003. The next prime is 122789053. The reversal of 122789046 is 640987221.

It is a sphenic number, since it is the product of 3 distinct primes.

122789046 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122788995 and 122789013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10232415 + ... + 10232426.

It is an arithmetic number, because the mean of its divisors is an integer number (30697263).

Almost surely, 2122789046 is an apocalyptic number.

122789046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122789046 is a wasteful number, since it uses less digits than its factorization.

122789046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464846.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 122789046 is about 11081.0218842849. The cubic root of 122789046 is about 497.0345078175.

The spelling of 122789046 in words is "one hundred twenty-two million, seven hundred eighty-nine thousand, forty-six".

Divisors: 1 2 3 6 20464841 40929682 61394523 122789046