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2642947404 = 2231933793011
BaseRepresentation
bin1001110110001000…
…0010110101001100
320211012011122020220
42131202002311030
520403043304104
61114131311340
7122331453006
oct23542026514
96735148226
102642947404
111136969559
1261914b550
1333172c206
141b1021376
151070657d9
hex9d882d4c

2642947404 has 48 divisors (see below), whose sum is σ = 6217249920. Its totient is φ = 873815040.

The previous prime is 2642947403. The next prime is 2642947409. The reversal of 2642947404 is 4047492462.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2642947403) 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, 876259 + ... + 879269.

It is an arithmetic number, because the mean of its divisors is an integer number (129526040).

Almost surely, 22642947404 is an apocalyptic number.

It is an amenable number.

2642947404 is an abundant number, since it is smaller than the sum of its proper divisors (3574302516).

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

2642947404 is a wasteful number, since it uses less digits than its factorization.

2642947404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 2642947404 is about 51409.6041999936. The cubic root of 2642947404 is about 1382.5987933242.

The spelling of 2642947404 in words is "two billion, six hundred forty-two million, nine hundred forty-seven thousand, four hundred four".

Divisors: 1 2 3 4 6 12 193 379 386 579 758 772 1137 1158 1516 2274 2316 3011 4548 6022 9033 12044 18066 36132 73147 146294 219441 292588 438882 581123 877764 1141169 1162246 1743369 2282338 2324492 3423507 3486738 4564676 6847014 6973476 13694028 220245617 440491234 660736851 880982468 1321473702 2642947404