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13421130 = 235716301
BaseRepresentation
bin110011001100…
…101001001010
3221020212022220
4303030221022
511413434010
61155354510
7222035442
oct63145112
927225286
1013421130
117637548
1245b2a36
132a1bac8
141ad5122
1512a1970
hexccca4a

13421130 has 32 divisors (see below), whose sum is σ = 32669568. Its totient is φ = 3528000.

The previous prime is 13421129. The next prime is 13421131. The reversal of 13421130 is 3112431.

It is an interprime number because it is at equal distance from previous prime (13421129) and next prime (13421131).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13421131) 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, 1021 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (1020924).

Almost surely, 213421130 is an apocalyptic number.

13421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13421130 is an abundant number, since it is smaller than the sum of its proper divisors (19248438).

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

13421130 is a wasteful number, since it uses less digits than its factorization.

13421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13421130 is about 3663.4860447394. The cubic root of 13421130 is about 237.6455543599.

Adding to 13421130 its reverse (3112431), we get a palindrome (16533561).

The spelling of 13421130 in words is "thirteen million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 6301 12602 18903 31505 37806 63010 94515 189030 447371 894742 1342113 2236855 2684226 4473710 6710565 13421130