Search a number
-
+
29742402 = 2322322229
BaseRepresentation
bin111000101110…
…1010101000010
32001222001220110
41301131111002
530103224102
62541252150
7510543354
oct161352502
961861813
1029742402
11158749a8
129b64056
136214971
143d430d4
15292786c
hex1c5d542

29742402 has 16 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 9869232.

The previous prime is 29742389. The next prime is 29742409. The reversal of 29742402 is 20424792.

It is a super-2 number, since 2×297424022 = 1769220953459208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29742402.

It is not an unprimeable number, because it can be changed into a prime (29742409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9777 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 229742402 is an apocalyptic number.

29742402 is an abundant number, since it is smaller than the sum of its proper divisors (30011838).

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

29742402 is a wasteful number, since it uses less digits than its factorization.

29742402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 29742402 is about 5453.6595053230. The cubic root of 29742402 is about 309.8313407911.

The spelling of 29742402 in words is "twenty-nine million, seven hundred forty-two thousand, four hundred two".

Divisors: 1 2 3 6 223 446 669 1338 22229 44458 66687 133374 4957067 9914134 14871201 29742402