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13442370 = 2352915451
BaseRepresentation
bin110011010001…
…110101000010
3221021221110120
4303101311002
511420123440
61200041110
7222154404
oct63216502
927257416
1013442370
1176514a7
124603196
132a28686
141adcb74
1512a7dd0
hexcd1d42

13442370 has 32 divisors (see below), whose sum is σ = 33376320. Its totient is φ = 3460800.

The previous prime is 13442347. The next prime is 13442371. The reversal of 13442370 is 7324431.

It is a super-2 number, since 2×134423702 = 361394622433800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13442370.

It is not an unprimeable number, because it can be changed into a prime (13442371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6856 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (1043010).

Almost surely, 213442370 is an apocalyptic number.

13442370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13442370 is an abundant number, since it is smaller than the sum of its proper divisors (19933950).

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

13442370 is a wasteful number, since it uses less digits than its factorization.

13442370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13442370 is about 3666.3837769661. The cubic root of 13442370 is about 237.7708525818.

The spelling of 13442370 in words is "thirteen million, four hundred forty-two thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 15451 30902 46353 77255 92706 154510 231765 448079 463530 896158 1344237 2240395 2688474 4480790 6721185 13442370