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122995940 = 2256149797
BaseRepresentation
bin1110101010011…
…00010011100100
322120102211201012
413111030103210
5222441332230
620112121352
73022306514
oct725142344
9276384635
10122995940
1163478741
1235236258
131c635782
1412499844
15abe8395
hex754c4e4

122995940 has 12 divisors (see below), whose sum is σ = 258291516. Its totient is φ = 49198368.

The previous prime is 122995937. The next prime is 122995963. The reversal of 122995940 is 49599221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95726656 + 27269284 = 9784^2 + 5222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074879 + ... + 3074918.

It is an arithmetic number, because the mean of its divisors is an integer number (21524293).

Almost surely, 2122995940 is an apocalyptic number.

122995940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122995940 is an abundant number, since it is smaller than the sum of its proper divisors (135295576).

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

122995940 is a wasteful number, since it uses less digits than its factorization.

122995940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149806 (or 6149804 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 122995940 is about 11090.3534659631. The cubic root of 122995940 is about 497.3135114101.

The spelling of 122995940 in words is "one hundred twenty-two million, nine hundred ninety-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 6149797 12299594 24599188 30748985 61497970 122995940