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1676625220 = 225137361057
BaseRepresentation
bin110001111101111…
…0100010101000100
311022211212101102101
41203323310111010
511413204001340
6434211521444
756356036114
oct14373642504
94284771371
101676625220
11790458386
123a95b9284
1320948403a
1411c95d044
159c2d7c9a
hex63ef4544

1676625220 has 24 divisors (see below), whose sum is σ = 3523535064. Its totient is φ = 670150656.

The previous prime is 1676625217. The next prime is 1676625229. The reversal of 1676625220 is 225266761.

It can be written as a sum of positive squares in 4 ways, for example, as 1020035844 + 656589376 = 31938^2 + 25624^2 .

It is a super-2 number, since 2×16766252202 = 5622144256680096800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1676625220.

It is not an unprimeable number, because it can be changed into a prime (1676625229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069 + ... + 57988.

It is an arithmetic number, because the mean of its divisors is an integer number (146813961).

Almost surely, 21676625220 is an apocalyptic number.

1676625220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676625220 is an abundant number, since it is smaller than the sum of its proper divisors (1846909844).

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

1676625220 is a wasteful number, since it uses less digits than its factorization.

1676625220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62439 (or 62437 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1676625220 is about 40946.6142678488. The cubic root of 1676625220 is about 1187.9878478655.

The spelling of 1676625220 in words is "one billion, six hundred seventy-six million, six hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1373 2746 5492 6865 13730 27460 61057 122114 244228 305285 610570 1221140 83831261 167662522 335325044 419156305 838312610 1676625220