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2030621400 = 233452163769
BaseRepresentation
bin111100100001000…
…1101001011011000
312020111222020220000
41321002031023120
513124314341100
6533255133000
7101214666003
oct17102151330
95214866800
102030621400
11952261a05
12488074160
13264909132
1415398a53a
15bd410900
hex7908d2d8

2030621400 has 240 divisors, whose sum is σ = 7105144200. Its totient is φ = 537477120.

The previous prime is 2030621399. The next prime is 2030621429. The reversal of 2030621400 is 41260302.

It is a happy number.

2030621400 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 621 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2640216 + ... + 2640984.

Almost surely, 22030621400 is an apocalyptic number.

2030621400 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 2030621400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3552572100).

2030621400 is an abundant number, since it is smaller than the sum of its proper divisors (5074522800).

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

2030621400 is a wasteful number, since it uses less digits than its factorization.

2030621400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2030621400 is about 45062.4167128218. The cubic root of 2030621400 is about 1266.3186008862.

Adding to 2030621400 its reverse (41260302), we get a palindrome (2071881702).

The spelling of 2030621400 in words is "two billion, thirty million, six hundred twenty-one thousand, four hundred".