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1242969366 = 233141389419
BaseRepresentation
bin100101000010110…
…0011010100010110
310012121212101102110
41022011203110112
510021200004431
6323201051450
742542031252
oct11205432426
93177771373
101242969366
11588695311
122a8326b86
1316a68a742
14bb117262
15741c7346
hex4a163516

1242969366 has 64 divisors (see below), whose sum is σ = 2641766400. Its totient is φ = 389241600.

The previous prime is 1242969307. The next prime is 1242969419. The reversal of 1242969366 is 6639692421.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2966305 + ... + 2966723.

It is an arithmetic number, because the mean of its divisors is an integer number (41277600).

Almost surely, 21242969366 is an apocalyptic number.

1242969366 is an abundant number, since it is smaller than the sum of its proper divisors (1398797034).

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

1242969366 is a wasteful number, since it uses less digits than its factorization.

1242969366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its digits is 839808, while the sum is 48.

The square root of 1242969366 is about 35255.7706765857. The cubic root of 1242969366 is about 1075.1939411401.

The spelling of 1242969366 in words is "one billion, two hundred forty-two million, nine hundred sixty-nine thousand, three hundred sixty-six".

Divisors: 1 2 3 6 31 41 62 82 93 123 186 246 389 419 778 838 1167 1257 1271 2334 2514 2542 3813 7626 12059 12989 15949 17179 24118 25978 31898 34358 36177 38967 47847 51537 72354 77934 95694 103074 162991 325982 488973 494419 532549 977946 988838 1065098 1483257 1597647 2966514 3195294 5052721 6682631 10105442 13365262 15158163 20047893 30316326 40095786 207161561 414323122 621484683 1242969366