Search a number
-
+
192942387 = 32113535521
BaseRepresentation
bin10111000000000…
…01000100110011
3111110001111012100
423200001010303
5343343124022
631051231443
74531661151
oct1340010463
9443044170
10192942387
1199a02520
1254748583
1330c85ac1
141b8a63d1
1511e131ac
hexb801133

192942387 has 24 divisors (see below), whose sum is σ = 304946928. Its totient is φ = 116582400.

The previous prime is 192942361. The next prime is 192942403. The reversal of 192942387 is 783249291.

It is not a de Polignac number, because 192942387 - 216 = 192876851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192942487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32187 + ... + 37707.

It is an arithmetic number, because the mean of its divisors is an integer number (12706122).

Almost surely, 2192942387 is an apocalyptic number.

192942387 is a deficient number, since it is larger than the sum of its proper divisors (112004541).

192942387 is a wasteful number, since it uses less digits than its factorization.

192942387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891 (or 5888 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 192942387 is about 13890.3702974399. The cubic root of 192942387 is about 577.8421472813.

The spelling of 192942387 in words is "one hundred ninety-two million, nine hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 3 9 11 33 99 353 1059 3177 3883 5521 11649 16563 34947 49689 60731 182193 546579 1948913 5846739 17540217 21438043 64314129 192942387