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2505942030 = 23583531401
BaseRepresentation
bin1001010101011101…
…1010010000001110
320110122101001012210
42111113122100032
520113010121110
61052355011250
7116046104304
oct22527322016
96418331183
102505942030
1110765a2379
1259b299b26
1330c22cc47
1419ab5a274
15ea001520
hex955da40e

2505942030 has 16 divisors (see below), whose sum is σ = 6014260944. Its totient is φ = 668251200.

The previous prime is 2505942013. The next prime is 2505942041. The reversal of 2505942030 is 302495052.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 83531401 = 2505942030 / (2 + 5 + 0 + 5 + 9 + 4 + 2 + 0 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41765671 + ... + 41765730.

It is an arithmetic number, because the mean of its divisors is an integer number (375891309).

Almost surely, 22505942030 is an apocalyptic number.

2505942030 is an abundant number, since it is smaller than the sum of its proper divisors (3508318914).

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

2505942030 is a wasteful number, since it uses less digits than its factorization.

2505942030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83531411.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2505942030 is about 50059.3850341772. The cubic root of 2505942030 is about 1358.2832342377.

The spelling of 2505942030 in words is "two billion, five hundred five million, nine hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 83531401 167062802 250594203 417657005 501188406 835314010 1252971015 2505942030