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1226472942 = 23204412157
BaseRepresentation
bin100100100011010…
…0111110111101110
310011110211021120210
41021012213313232
510002434113232
6321411323250
742251563602
oct11106476756
93143737523
101226472942
1157a348302
122a28b0526
13167132c46
14b8c61502
1572a195cc
hex491a7dee

1226472942 has 8 divisors (see below), whose sum is σ = 2452945896. Its totient is φ = 408824312.

The previous prime is 1226472937. The next prime is 1226472977. The reversal of 1226472942 is 2492746221.

It is a sphenic number, since it is the product of 3 distinct primes.

1226472942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226472942.

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, 102206073 + ... + 102206084.

It is an arithmetic number, because the mean of its divisors is an integer number (306618237).

Almost surely, 21226472942 is an apocalyptic number.

1226472942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1226472942 is a wasteful number, since it uses less digits than its factorization.

1226472942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204412162.

The product of its digits is 96768, while the sum is 39.

The square root of 1226472942 is about 35021.0357071289. The cubic root of 1226472942 is about 1070.4161603604.

The spelling of 1226472942 in words is "one billion, two hundred twenty-six million, four hundred seventy-two thousand, nine hundred forty-two".

Divisors: 1 2 3 6 204412157 408824314 613236471 1226472942