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122031040 = 265381347
BaseRepresentation
bin1110100011000…
…00101111000000
322111121211010011
413101200233000
5222214443130
620035314304
73011150425
oct721405700
9274554104
10122031040
11629797aa
1234a4b994
131c388521
14122c7d4c
15aaa752a
hex7460bc0

122031040 has 28 divisors (see below), whose sum is σ = 290587176. Its totient is φ = 48812288.

The previous prime is 122031023. The next prime is 122031071. The reversal of 122031040 is 40130221.

It is a self number, because there is not a number n which added to its sum of digits gives 122031040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190354 + ... + 190993.

Almost surely, 2122031040 is an apocalyptic number.

122031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122031040 is an abundant number, since it is smaller than the sum of its proper divisors (168556136).

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

122031040 is an equidigital number, since it uses as much as digits as its factorization.

122031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381364 (or 381354 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122031040 is about 11046.7660426027. The cubic root of 122031040 is about 496.0096252034.

Adding to 122031040 its reverse (40130221), we get a palindrome (162161261).

The spelling of 122031040 in words is "one hundred twenty-two million, thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 381347 762694 1525388 1906735 3050776 3813470 6101552 7626940 12203104 15253880 24406208 30507760 61015520 122031040