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13707390 = 2353753233
BaseRepresentation
bin110100010010…
…100001111110
3221210102000010
4310102201332
512002114030
61205444050
7224340144
oct64224176
927712003
1013707390
117812624
124710626
132abc1a8
141b6b594
15130b6b0
hexd1287e

13707390 has 64 divisors (see below), whose sum is σ = 34572096. Its totient is φ = 3474432.

The previous prime is 13707359. The next prime is 13707391. The reversal of 13707390 is 9370731.

13707390 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137073902 = 375785081224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13707391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58714 + ... + 58946.

It is an arithmetic number, because the mean of its divisors is an integer number (540189).

Almost surely, 213707390 is an apocalyptic number.

13707390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13707390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17286048).

13707390 is an abundant number, since it is smaller than the sum of its proper divisors (20864706).

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

13707390 is a wasteful number, since it uses less digits than its factorization.

13707390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 13707390 is about 3702.3492541898. The cubic root of 13707390 is about 239.3232672077.

The spelling of 13707390 in words is "thirteen million, seven hundred seven thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 37 53 74 106 111 159 185 222 233 265 318 370 466 530 555 699 795 1110 1165 1398 1590 1961 2330 3495 3922 5883 6990 8621 9805 11766 12349 17242 19610 24698 25863 29415 37047 43105 51726 58830 61745 74094 86210 123490 129315 185235 258630 370470 456913 913826 1370739 2284565 2741478 4569130 6853695 13707390