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16374940 = 2251037949
BaseRepresentation
bin111110011101…
…110010011100
31010210221012021
4332131302130
513142444230
61342545524
7256120231
oct76356234
933727167
1016374940
11927480a
1255982a4
13351441a
142263788
151686c7a
hexf9dc9c

16374940 has 24 divisors (see below), whose sum is σ = 34725600. Its totient is φ = 6485568.

The previous prime is 16374931. The next prime is 16374947. The reversal of 16374940 is 4947361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16374896 and 16374905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16374947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915 + ... + 6034.

It is an arithmetic number, because the mean of its divisors is an integer number (1446900).

Almost surely, 216374940 is an apocalyptic number.

16374940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16374940 is an abundant number, since it is smaller than the sum of its proper divisors (18350660).

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

16374940 is a wasteful number, since it uses less digits than its factorization.

16374940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16374940 is about 4046.5961004281. The cubic root of 16374940 is about 253.9373437534.

The spelling of 16374940 in words is "sixteen million, three hundred seventy-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 7949 15898 31796 39745 79490 158980 818747 1637494 3274988 4093735 8187470 16374940