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13043970 = 233548311
BaseRepresentation
bin110001110000…
…100100000010
3220112200222000
4301300210002
511314401340
61143324430
7215605032
oct61604402
926480860
1013043970
1173aa145
124450716
132919234
141a378c2
151229d30
hexc70902

13043970 has 32 divisors (see below), whose sum is σ = 34784640. Its totient is φ = 3478320.

The previous prime is 13043969. The next prime is 13043971. The reversal of 13043970 is 7934031.

It is an interprime number because it is at equal distance from previous prime (13043969) and next prime (13043971).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13043971) 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, 23886 + ... + 24425.

It is an arithmetic number, because the mean of its divisors is an integer number (1087020).

Almost surely, 213043970 is an apocalyptic number.

13043970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13043970 is an abundant number, since it is smaller than the sum of its proper divisors (21740670).

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

13043970 is a wasteful number, since it uses less digits than its factorization.

13043970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48327 (or 48321 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13043970 is about 3611.6436701314. The cubic root of 13043970 is about 235.3982683649.

It can be divided in two parts, 130 and 43970, that added together give a square (44100 = 2102).

The spelling of 13043970 in words is "thirteen million, forty-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 48311 96622 144933 241555 289866 434799 483110 724665 869598 1304397 1449330 2173995 2608794 4347990 6521985 13043970