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11874990 = 2352771429
BaseRepresentation
bin101101010011…
…001010101110
3211100022102110
4231103022232
511014444430
61102304450
7202635651
oct55231256
924308373
1011874990
116780946
123b88126
1325ca12a
141811898
1510987b0
hexb532ae

11874990 has 32 divisors (see below), whose sum is σ = 28622880. Its totient is φ = 3153024.

The previous prime is 11874979. The next prime is 11875001. The reversal of 11874990 is 9947811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11874979) and next prime (11875001).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7596 + ... + 9024.

It is an arithmetic number, because the mean of its divisors is an integer number (894465).

Almost surely, 211874990 is an apocalyptic number.

11874990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11874990 is an abundant number, since it is smaller than the sum of its proper divisors (16747890).

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

11874990 is a wasteful number, since it uses less digits than its factorization.

11874990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 11874990 is about 3446.0107370697. The cubic root of 11874990 is about 228.1450677286.

The spelling of 11874990 in words is "eleven million, eight hundred seventy-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 277 554 831 1385 1429 1662 2770 2858 4155 4287 7145 8310 8574 14290 21435 42870 395833 791666 1187499 1979165 2374998 3958330 5937495 11874990