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2405423490 = 235233486121
BaseRepresentation
bin1000111101011111…
…1101100110000010
320012122020011200220
42033113331212002
514411242022430
61034404323510
7113415522321
oct21727754602
96178204626
102405423490
1110248872a8
125716a3596
132c4467412
1418b6720b8
15e1298110
hex8f5fd982

2405423490 has 32 divisors (see below), whose sum is σ = 6024018816. Its totient is φ = 613557120.

The previous prime is 2405423443. The next prime is 2405423491. The reversal of 2405423490 is 943245042.

It is not an unprimeable number, because it can be changed into a prime (2405423491) 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, 1742371 + ... + 1743750.

It is an arithmetic number, because the mean of its divisors is an integer number (188250588).

Almost surely, 22405423490 is an apocalyptic number.

2405423490 is an abundant number, since it is smaller than the sum of its proper divisors (3618595326).

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

2405423490 is a wasteful number, since it uses less digits than its factorization.

2405423490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486154.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2405423490 is about 49045.1168823156. The cubic root of 2405423490 is about 1339.8736589134.

The spelling of 2405423490 in words is "two billion, four hundred five million, four hundred twenty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 3486121 6972242 10458363 17430605 20916726 34861210 52291815 80180783 104583630 160361566 240542349 400903915 481084698 801807830 1202711745 2405423490