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13434072 = 2331394027
BaseRepresentation
bin110011001111…
…110011011000
3221021112002020
4303033303120
511414342242
61155534440
7222121251
oct63176330
927245066
1013434072
117646243
1245ba420
132a24972
141ad9b28
1512a56ec
hexccfcd8

13434072 has 32 divisors (see below), whose sum is σ = 33835200. Its totient is φ = 4444704.

The previous prime is 13434059. The next prime is 13434073. The reversal of 13434072 is 27043431.

Added to its reverse (27043431) it gives a triangular number (40477503 = T8997).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434073) 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, 1323 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (1057350).

Almost surely, 213434072 is an apocalyptic number.

13434072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13434072 is an abundant number, since it is smaller than the sum of its proper divisors (20401128).

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

13434072 is a wasteful number, since it uses less digits than its factorization.

13434072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4171 counting only the distinct ones).

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

The square root of 13434072 is about 3665.2519695104. The cubic root of 13434072 is about 237.7219170480.

Adding to 13434072 its reverse (27043431), we get a triangular number (40477503 = T8997).

The spelling of 13434072 in words is "thirteen million, four hundred thirty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 139 278 417 556 834 1112 1668 3336 4027 8054 12081 16108 24162 32216 48324 96648 559753 1119506 1679259 2239012 3358518 4478024 6717036 13434072