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1955028084 = 2231736726113
BaseRepresentation
bin111010010000111…
…0101110001110100
312001020201201100120
41310201311301310
513000441344314
6521555011540
766306315222
oct16441656164
95036651316
101955028084
11913620599
12466899bb0
1325205c769
1414790db12
15b697c8a9
hex74875c74

1955028084 has 48 divisors (see below), whose sum is σ = 4843415808. Its totient is φ = 611647488.

The previous prime is 1955028073. The next prime is 1955028091. The reversal of 1955028084 is 4808205591.

It is a happy number.

It is a super-2 number, since 2×19550280842 = 7644269618457422112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 61812 + ... + 87924.

It is an arithmetic number, because the mean of its divisors is an integer number (100904496).

Almost surely, 21955028084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955028084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421707904).

1955028084 is an abundant number, since it is smaller than the sum of its proper divisors (2888387724).

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

1955028084 is a wasteful number, since it uses less digits than its factorization.

1955028084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26504 (or 26502 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 1955028084 is about 44215.6995195146. The cubic root of 1955028084 is about 1250.4058594615.

The spelling of 1955028084 in words is "one billion, nine hundred fifty-five million, twenty-eight thousand, eighty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 367 734 1101 1468 2202 4404 6239 12478 18717 24956 26113 37434 52226 74868 78339 104452 156678 313356 443921 887842 1331763 1775684 2663526 5327052 9583471 19166942 28750413 38333884 57500826 115001652 162919007 325838014 488757021 651676028 977514042 1955028084