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2098402740 = 223357797027
BaseRepresentation
bin111110100010011…
…0001010110110100
312102020111220102000
41331010301112310
513244142341430
6544120015300
7103000062150
oct17504612664
95366456360
102098402740
11987548045
124a6901530
1327597bb35
1415c992060
15c434de60
hex7d1315b4

2098402740 has 192 divisors, whose sum is σ = 7556505600. Its totient is φ = 473496192.

The previous prime is 2098402727. The next prime is 2098402753. The reversal of 2098402740 is 472048902.

2098402740 is a `hidden beast` number, since 209 + 8 + 402 + 7 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2098402727) and next prime (2098402753).

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

It is a junction number, because it is equal to n+sod(n) for n = 2098402695 and 2098402704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295107 + ... + 302133.

It is an arithmetic number, because the mean of its divisors is an integer number (39356800).

Almost surely, 22098402740 is an apocalyptic number.

2098402740 is a gapful number since it is divisible by the number (20) 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 2098402740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3778252800).

2098402740 is an abundant number, since it is smaller than the sum of its proper divisors (5458102860).

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

2098402740 is a wasteful number, since it uses less digits than its factorization.

2098402740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2098402740 is about 45808.3260990838. The cubic root of 2098402740 is about 1280.2544131339.

The spelling of 2098402740 in words is "two billion, ninety-eight million, four hundred two thousand, seven hundred forty".