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13470069 = 3171913901
BaseRepresentation
bin110011011000…
…100101110101
3221100100110110
4303120211311
511422020234
61200413233
7222331224
oct63304565
927310413
1013470069
117670298
124617219
132a38172
141b08cbb
1512b11e9
hexcd8975

13470069 has 16 divisors (see below), whose sum is σ = 20018880. Its totient is φ = 8006400.

The previous prime is 13470011. The next prime is 13470077. The reversal of 13470069 is 96007431.

It is a happy number.

It is not a de Polignac number, because 13470069 - 29 = 13469557 is a prime.

It is a super-2 number, since 2×134700692 = 362885517729522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470169) by changing a digit.

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, 5982 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (1251180).

Almost surely, 213470069 is an apocalyptic number.

13470069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13470069 is a deficient number, since it is larger than the sum of its proper divisors (6548811).

13470069 is a wasteful number, since it uses less digits than its factorization.

13470069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13470069 is about 3670.1592608496. The cubic root of 13470069 is about 237.9340553593.

The spelling of 13470069 in words is "thirteen million, four hundred seventy thousand, sixty-nine".

Divisors: 1 3 17 19 51 57 323 969 13901 41703 236317 264119 708951 792357 4490023 13470069