Search a number
-
+
29680365 = 351113101137
BaseRepresentation
bin111000100111…
…0001011101101
32001211220210210
41301032023231
530044232430
62540053033
7510164451
oct161161355
961756723
1029680365
1115832330
129b34179
1361c2660
143d28661
1529142b0
hex1c4e2ed

29680365 has 64 divisors (see below), whose sum is σ = 56754432. Its totient is φ = 13056000.

The previous prime is 29680333. The next prime is 29680403. The reversal of 29680365 is 56308692.

It is not a de Polignac number, because 29680365 - 25 = 29680333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216577 + ... + 216713.

It is an arithmetic number, because the mean of its divisors is an integer number (886788).

Almost surely, 229680365 is an apocalyptic number.

It is an amenable number.

29680365 is a deficient number, since it is larger than the sum of its proper divisors (27074067).

29680365 is a wasteful number, since it uses less digits than its factorization.

29680365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 29680365 is about 5447.9688875764. The cubic root of 29680365 is about 309.6157744068.

The spelling of 29680365 in words is "twenty-nine million, six hundred eighty thousand, three hundred sixty-five".

Divisors: 1 3 5 11 13 15 33 39 55 65 101 137 143 165 195 303 411 429 505 685 715 1111 1313 1507 1515 1781 2055 2145 3333 3939 4521 5343 5555 6565 7535 8905 13837 14443 16665 19591 19695 22605 26715 41511 43329 58773 69185 72215 97955 152207 179881 207555 216645 293865 456621 539643 761035 899405 1978691 2283105 2698215 5936073 9893455 29680365