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13377890 = 254167487
BaseRepresentation
bin110011000010…
…000101100010
3221011200000102
4303002011202
511411043030
61154422402
7221465411
oct63020542
927150012
1013377890
117608009
124591a02
132a05216
141ac3478
151293c45
hexcc2162

13377890 has 32 divisors (see below), whose sum is σ = 25087104. Its totient is φ = 5132160.

The previous prime is 13377887. The next prime is 13377893. The reversal of 13377890 is 9877331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13377887) and next prime (13377893).

It is not an unprimeable number, because it can be changed into a prime (13377893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27227 + ... + 27713.

It is an arithmetic number, because the mean of its divisors is an integer number (783972).

Almost surely, 213377890 is an apocalyptic number.

13377890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13377890 is a deficient number, since it is larger than the sum of its proper divisors (11709214).

13377890 is a wasteful number, since it uses less digits than its factorization.

With its successor (13377891) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (602).

13377890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13377890 is about 3657.5798009066. The cubic root of 13377890 is about 237.3900654646.

The spelling of 13377890 in words is "thirteen million, three hundred seventy-seven thousand, eight hundred ninety".

Divisors: 1 2 5 10 41 67 82 134 205 335 410 487 670 974 2435 2747 4870 5494 13735 19967 27470 32629 39934 65258 99835 163145 199670 326290 1337789 2675578 6688945 13377890