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2145302052 = 223319759453
BaseRepresentation
bin111111111011110…
…1011011000100100
312112111202122011120
41333313223120210
513343144131202
6552513133540
7104106523635
oct17767533044
95474678146
102145302052
11a00a70203
124ba55a2b0
132825bcaca
14164cbd88c
15c85150bc
hex7fdeb624

2145302052 has 48 divisors (see below), whose sum is σ = 5220536832. Its totient is φ = 684887040.

The previous prime is 2145302039. The next prime is 2145302053. The reversal of 2145302052 is 2502035412.

It is not an unprimeable number, because it can be changed into a prime (2145302053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358 + ... + 65810.

It is an arithmetic number, because the mean of its divisors is an integer number (108761184).

Almost surely, 22145302052 is an apocalyptic number.

It is an amenable number.

2145302052 is an abundant number, since it is smaller than the sum of its proper divisors (3075234780).

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

2145302052 is a wasteful number, since it uses less digits than its factorization.

2145302052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59588 (or 59586 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2145302052 is about 46317.4054972858. The cubic root of 2145302052 is about 1289.7221227082.

Adding to 2145302052 its reverse (2502035412), we get a palindrome (4647337464).

The spelling of 2145302052 in words is "two billion, one hundred forty-five million, three hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 31 62 93 97 124 186 194 291 372 388 582 1164 3007 6014 9021 12028 18042 36084 59453 118906 178359 237812 356718 713436 1843043 3686086 5529129 5766941 7372172 11058258 11533882 17300823 22116516 23067764 34601646 69203292 178775171 357550342 536325513 715100684 1072651026 2145302052