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2046919980 = 223574873619
BaseRepresentation
bin111101000000001…
…1000010100101100
312021122122022100010
41322000120110230
513143002414410
6535040333220
7101503350510
oct17200302454
95248568303
102046919980
11960484306
12491614210
132680c4871
14155bd0140
15bea7ec20
hex7a01852c

2046919980 has 48 divisors (see below), whose sum is σ = 6550145280. Its totient is φ = 467867328.

The previous prime is 2046919961. The next prime is 2046919991. The reversal of 2046919980 is 899196402.

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, 2436390 + ... + 2437229.

It is an arithmetic number, because the mean of its divisors is an integer number (136461360).

Almost surely, 22046919980 is an apocalyptic number.

2046919980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2046919980 is an abundant number, since it is smaller than the sum of its proper divisors (4503225300).

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

2046919980 is a wasteful number, since it uses less digits than its factorization.

2046919980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873638 (or 4873636 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2046919980 is about 45242.8997744397. The cubic root of 2046919980 is about 1269.6975699155.

The spelling of 2046919980 in words is "two billion, forty-six million, nine hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4873619 9747238 14620857 19494476 24368095 29241714 34115333 48736190 58483428 68230666 73104285 97472380 102345999 136461332 146208570 170576665 204691998 292417140 341153330 409383996 511729995 682306660 1023459990 2046919980