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192997340 = 2259649867
BaseRepresentation
bin10111000000011…
…10011111011100
3111110011021120122
423200032133130
5343401403330
631052334112
74532310314
oct1340163734
9443137518
10192997340
1199a3a838
1254774338
1330ca4b13
141b8bc444
1511e245e5
hexb80e7dc

192997340 has 12 divisors (see below), whose sum is σ = 405294456. Its totient is φ = 77198928.

The previous prime is 192997331. The next prime is 192997361. The reversal of 192997340 is 43799291.

It is a junction number, because it is equal to n+sod(n) for n = 192997291 and 192997300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4824914 + ... + 4824953.

It is an arithmetic number, because the mean of its divisors is an integer number (33774538).

Almost surely, 2192997340 is an apocalyptic number.

192997340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192997340 is an abundant number, since it is smaller than the sum of its proper divisors (212297116).

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

192997340 is a wasteful number, since it uses less digits than its factorization.

192997340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649876 (or 9649874 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 192997340 is about 13892.3482536251. The cubic root of 192997340 is about 577.8970015581.

The spelling of 192997340 in words is "one hundred ninety-two million, nine hundred ninety-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 9649867 19299734 38599468 48249335 96498670 192997340