Search a number
-
+
193239402 = 23306710501
BaseRepresentation
bin10111000010010…
…01100101101010
3111110121120121220
423201021211222
5343432130102
631101442510
74534336116
oct1341114552
9443546556
10193239402
119a095694
1254870436
133105b055
141b942746
1511e711bc
hexb84996a

193239402 has 16 divisors (see below), whose sum is σ = 386641632. Its totient is φ = 64386000.

The previous prime is 193239373. The next prime is 193239407. The reversal of 193239402 is 204932391.

It is not an unprimeable number, because it can be changed into a prime (193239407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13152 + ... + 23652.

It is an arithmetic number, because the mean of its divisors is an integer number (24165102).

Almost surely, 2193239402 is an apocalyptic number.

193239402 is an abundant number, since it is smaller than the sum of its proper divisors (193402230).

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

193239402 is a wasteful number, since it uses less digits than its factorization.

193239402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 193239402 is about 13901.0575856659. The cubic root of 193239402 is about 578.1385048202.

The spelling of 193239402 in words is "one hundred ninety-three million, two hundred thirty-nine thousand, four hundred two".

Divisors: 1 2 3 6 3067 6134 9201 10501 18402 21002 31503 63006 32206567 64413134 96619701 193239402