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2042198220 = 223534036637
BaseRepresentation
bin111100110111001…
…0111100011001100
312021022202102022010
41321232113203030
513140300320340
6534351221220
7101415253446
oct17156274314
95238672263
102042198220
11958849827
1248bb17810
1326713061a
14155321496
15be44ab80
hex79b978cc

2042198220 has 24 divisors (see below), whose sum is σ = 5718155184. Its totient is φ = 544586176.

The previous prime is 2042198189. The next prime is 2042198231. The reversal of 2042198220 is 228912402.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17018259 + ... + 17018378.

It is an arithmetic number, because the mean of its divisors is an integer number (238256466).

Almost surely, 22042198220 is an apocalyptic number.

2042198220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042198220 is an abundant number, since it is smaller than the sum of its proper divisors (3675956964).

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

2042198220 is a wasteful number, since it uses less digits than its factorization.

2042198220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036649 (or 34036647 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2042198220 is about 45190.6873149767. The cubic root of 2042198220 is about 1268.7205209810.

The spelling of 2042198220 in words is "two billion, forty-two million, one hundred ninety-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 34036637 68073274 102109911 136146548 170183185 204219822 340366370 408439644 510549555 680732740 1021099110 2042198220