Search a number
-
+
310048992 = 2533111719101
BaseRepresentation
bin10010011110101…
…111100011100000
3210121102010021000
4102132233203200
51113333031432
650433232000
710453241631
oct2236574340
9717363230
10310048992
1114a018440
1287a02600
134c308a56
142d26b888
151c34657c
hex127af8e0

310048992 has 384 divisors, whose sum is σ = 1110412800. Its totient is φ = 82944000.

The previous prime is 310048987. The next prime is 310048997. The reversal of 310048992 is 299840013.

It is an interprime number because it is at equal distance from previous prime (310048987) and next prime (310048997).

It is a super-2 number, since 2×3100489922 = 192260754880432128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310048997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3069742 + ... + 3069842.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2310048992 is an apocalyptic number.

310048992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310048992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555206400).

310048992 is an abundant number, since it is smaller than the sum of its proper divisors (800363808).

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

310048992 is a wasteful number, since it uses less digits than its factorization.

310048992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 310048992 is about 17608.2080860035. The cubic root of 310048992 is about 676.8255963359.

The spelling of 310048992 in words is "three hundred ten million, forty-eight thousand, nine hundred ninety-two".