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13900460 = 225799289
BaseRepresentation
bin110101000001…
…101010101100
3222011012211212
4311001222230
512024303320
61213533552
7226103060
oct65015254
928135755
1013900460
117934692
1247a42b8
132b59032
141bbbaa0
1513489c5
hexd41aac

13900460 has 24 divisors (see below), whose sum is σ = 33361440. Its totient is φ = 4765824.

The previous prime is 13900433. The next prime is 13900463. The reversal of 13900460 is 6400931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900463) 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 7 ways as a sum of consecutive naturals, for example, 49505 + ... + 49784.

It is an arithmetic number, because the mean of its divisors is an integer number (1390060).

Almost surely, 213900460 is an apocalyptic number.

13900460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13900460 is an abundant number, since it is smaller than the sum of its proper divisors (19460980).

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

13900460 is a wasteful number, since it uses less digits than its factorization.

13900460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99305 (or 99303 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13900460 is about 3728.3320667559. The cubic root of 13900460 is about 240.4416635753.

The spelling of 13900460 in words is "thirteen million, nine hundred thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 99289 198578 397156 496445 695023 992890 1390046 1985780 2780092 3475115 6950230 13900460