Search a number
-
+
2201661672 = 233729451901
BaseRepresentation
bin1000001100111010…
…1011000011101000
312200102211000000220
42003032223003220
514002111133142
61002245130040
7105362546460
oct20316530350
95612730026
102201661672
11a2a865001
125153b9920
13291193ab2
1416c590ba0
15cd4492ec
hex833ab0e8

2201661672 has 64 divisors (see below), whose sum is σ = 6507388800. Its totient is φ = 607353600.

The previous prime is 2201661661. The next prime is 2201661703. The reversal of 2201661672 is 2761661022.

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, 221079 + ... + 230822.

It is an arithmetic number, because the mean of its divisors is an integer number (101677950).

Almost surely, 22201661672 is an apocalyptic number.

It is an amenable number.

2201661672 is an abundant number, since it is smaller than the sum of its proper divisors (4305727128).

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

2201661672 is a wasteful number, since it uses less digits than its factorization.

2201661672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451946 (or 451942 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2201661672 is about 46921.8677377617. The cubic root of 2201661672 is about 1300.9188123829.

The spelling of 2201661672 in words is "two billion, two hundred one million, six hundred sixty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 29 42 56 58 84 87 116 168 174 203 232 348 406 609 696 812 1218 1624 2436 4872 451901 903802 1355703 1807604 2711406 3163307 3615208 5422812 6326614 9489921 10845624 12653228 13105129 18979842 25306456 26210258 37959684 39315387 52420516 75919368 78630774 91735903 104841032 157261548 183471806 275207709 314523096 366943612 550415418 733887224 1100830836 2201661672