Search a number
-
+
2729402 = 213113929
BaseRepresentation
bin1010011010010110111010
312010200000222
422122112322
51144320102
6134300042
732125304
oct12322672
95120028
102729402
1115a4705
12ab7622
13747440
14510974
1538daa2
hex29a5ba

2729402 has 16 divisors (see below), whose sum is σ = 4452840. Its totient is φ = 1247232.

The previous prime is 2729383. The next prime is 2729413. The reversal of 2729402 is 2049272.

It can be written as a sum of positive squares in 4 ways, for example, as 292681 + 2436721 = 541^2 + 1561^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 3402.

22729402 is an apocalyptic number.

2729402 is a deficient number, since it is larger than the sum of its proper divisors (1723438).

2729402 is a wasteful number, since it uses less digits than its factorization.

2729402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2729402 is about 1652.0901912426. The cubic root of 2729402 is about 139.7512931333.

The spelling of 2729402 in words is "two million, seven hundred twenty-nine thousand, four hundred two".

Divisors: 1 2 13 26 113 226 929 1469 1858 2938 12077 24154 104977 209954 1364701 2729402