Search a number
-
+
1356869229 = 31729390803
BaseRepresentation
bin101000011100000…
…0010111001101101
310111120012002122220
41100320002321231
510234324303404
6342350225553
745424124652
oct12070027155
93446162586
101356869229
11636a0aa31
1231a4b52b9
13188159c01
14cc2c5c29
157e1c54d9
hex50e02e6d

1356869229 has 16 divisors (see below), whose sum is σ = 1922139072. Its totient is φ = 848453888.

The previous prime is 1356869191. The next prime is 1356869231. The reversal of 1356869229 is 9229686531.

It is a cyclic number.

It is not a de Polignac number, because 1356869229 - 211 = 1356867181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356862229) 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, 30459 + ... + 60344.

It is an arithmetic number, because the mean of its divisors is an integer number (120133692).

Almost surely, 21356869229 is an apocalyptic number.

It is an amenable number.

1356869229 is a deficient number, since it is larger than the sum of its proper divisors (565269843).

1356869229 is a wasteful number, since it uses less digits than its factorization.

1356869229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91116.

The product of its digits is 1399680, while the sum is 51.

The square root of 1356869229 is about 36835.7058979464. The cubic root of 1356869229 is about 1107.0808314071.

The spelling of 1356869229 in words is "one billion, three hundred fifty-six million, eight hundred sixty-nine thousand, two hundred twenty-nine".

Divisors: 1 3 17 51 293 879 4981 14943 90803 272409 1543651 4630953 26605279 79815837 452289743 1356869229