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2145460233 = 371037091399
BaseRepresentation
bin111111111100001…
…0010000000001001
312112112001200011010
41333320102000021
513343214211413
6552520354133
7104111053050
oct17770220011
95475050133
102145460233
11a01069034
124ba615949
13282646ac7
14164d21397
15c8546dc3
hex7fe12009

2145460233 has 32 divisors (see below), whose sum is σ = 3308032000. Its totient is φ = 1211495616.

The previous prime is 2145460211. The next prime is 2145460237. The reversal of 2145460233 is 3320645412.

It is not a de Polignac number, because 2145460233 - 25 = 2145460201 is a prime.

It is a super-2 number, since 2×21454602332 = 9205999222768828578, 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 2145460233.

It is not an unprimeable number, because it can be changed into a prime (2145460237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532868 + ... + 1534266.

It is an arithmetic number, because the mean of its divisors is an integer number (103376000).

Almost surely, 22145460233 is an apocalyptic number.

It is an amenable number.

2145460233 is a deficient number, since it is larger than the sum of its proper divisors (1162571767).

2145460233 is a wasteful number, since it uses less digits than its factorization.

2145460233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2145460233 is about 46319.1130420262. The cubic root of 2145460233 is about 1289.7538205789.

The spelling of 2145460233 in words is "two billion, one hundred forty-five million, four hundred sixty thousand, two hundred thirty-three".

Divisors: 1 3 7 21 103 309 709 721 1399 2127 2163 4197 4963 9793 14889 29379 73027 144097 219081 432291 511189 991891 1008679 1533567 2975673 3026037 6943237 20829711 102164773 306494319 715153411 2145460233