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2920447490 = 25597367807
BaseRepresentation
bin1010111000010010…
…0111111000000010
321112112100002210212
42232010213320002
521440113304430
61201443154122
7132241252112
oct25604477002
97475302725
102920447490
111269575474
12696075942
1337707ca4c
141d9c19042
151215ccb95
hexae127e02

2920447490 has 32 divisors (see below), whose sum is σ = 5419215360. Its totient is φ = 1132631424.

The previous prime is 2920447463. The next prime is 2920447547. The reversal of 2920447490 is 947440292.

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, 9167 + ... + 76973.

It is an arithmetic number, because the mean of its divisors is an integer number (169350480).

Almost surely, 22920447490 is an apocalyptic number.

2920447490 is a deficient number, since it is larger than the sum of its proper divisors (2498767870).

2920447490 is a wasteful number, since it uses less digits than its factorization.

2920447490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67946.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2920447490 is about 54041.1647727915. The cubic root of 2920447490 is about 1429.3869101519.

The spelling of 2920447490 in words is "two billion, nine hundred twenty million, four hundred forty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 59 73 118 146 295 365 590 730 4307 8614 21535 43070 67807 135614 339035 678070 4000613 4949911 8001226 9899822 20003065 24749555 40006130 49499110 292044749 584089498 1460223745 2920447490