Search a number
-
+
8432370042 = 23412836047
BaseRepresentation
bin1111101101001101…
…11100000101111010
3210202122222210002120
413312212330011322
5114232141320132
63512422542110
7415650651135
oct76646740572
923678883076
108432370042
113637942468
121773b97936
13a44ca9395
1459dc9721c
1534545502c
hex1f69bc17a

8432370042 has 24 divisors (see below), whose sum is σ = 17286128448. Its totient is φ = 2742230880.

The previous prime is 8432370007. The next prime is 8432370043. The reversal of 8432370042 is 2400732348.

It is a super-2 number, since 2×84323700422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8432369985 and 8432370012.

It is not an unprimeable number, because it can be changed into a prime (8432370043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407938 + ... + 428109.

It is an arithmetic number, because the mean of its divisors is an integer number (720255352).

Almost surely, 28432370042 is an apocalyptic number.

8432370042 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8432370042 is an abundant number, since it is smaller than the sum of its proper divisors (8853758406).

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

8432370042 is a wasteful number, since it uses less digits than its factorization.

8432370042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836134 (or 836093 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 8432370042 is about 91827.9371542234. The cubic root of 8432370042 is about 2035.4005407010.

The spelling of 8432370042 in words is "eight billion, four hundred thirty-two million, three hundred seventy thousand, forty-two".

Divisors: 1 2 3 6 41 82 123 246 1681 3362 5043 10086 836047 1672094 2508141 5016282 34277927 68555854 102833781 205667562 1405395007 2810790014 4216185021 8432370042