Search a number
-
+
693220038 = 23731752067
BaseRepresentation
bin101001010100011…
…011001011000110
31210022102020010020
4221110123023012
52404431020123
6152442040010
723115162450
oct5124331306
91708366106
10693220038
11326339525
121741a9006
13b0807394
14680d12d0
1540cd37e3
hex2951b2c6

693220038 has 32 divisors (see below), whose sum is σ = 1589531904. Its totient is φ = 197434272.

The previous prime is 693219971. The next prime is 693220051. The reversal of 693220038 is 830022396.

It is a junction number, because it is equal to n+sod(n) for n = 693219990 and 693220008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720 + ... + 39347.

It is an arithmetic number, because the mean of its divisors is an integer number (49672872).

Almost surely, 2693220038 is an apocalyptic number.

693220038 is an abundant number, since it is smaller than the sum of its proper divisors (896311866).

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

693220038 is a wasteful number, since it uses less digits than its factorization.

693220038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52396.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 693220038 is about 26329.0721067036. The cubic root of 693220038 is about 885.0280510755.

The spelling of 693220038 in words is "six hundred ninety-three million, two hundred twenty thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 317 634 951 1902 2219 4438 6657 13314 52067 104134 156201 312402 364469 728938 1093407 2186814 16505239 33010478 49515717 99031434 115536673 231073346 346610019 693220038