Search a number
-
+
7874668242 = 2327611024547
BaseRepresentation
bin1110101010101110…
…11110011011010010
3202022210120121001100
413111113132123102
5112111403340432
63341221245230
7366066401310
oct72527363322
922283517040
107874668242
113381054891
121639263816
139865a040c
14549ba10b0
153114e007c
hex1d55de6d2

7874668242 has 48 divisors (see below), whose sum is σ = 19818856512. Its totient is φ = 2213019360.

The previous prime is 7874668229. The next prime is 7874668247. The reversal of 7874668242 is 2428664787.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7874668247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504588 + ... + 519959.

It is an arithmetic number, because the mean of its divisors is an integer number (412892844).

Almost surely, 27874668242 is an apocalyptic number.

7874668242 is an abundant number, since it is smaller than the sum of its proper divisors (11944188270).

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

7874668242 is a wasteful number, since it uses less digits than its factorization.

7874668242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024623 (or 1024620 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 7874668242 is about 88739.3274822387. The cubic root of 7874668242 is about 1989.5006652688.

The spelling of 7874668242 in words is "seven billion, eight hundred seventy-four million, six hundred sixty-eight thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 183 366 427 549 854 1098 1281 2562 3843 7686 1024547 2049094 3073641 6147282 7171829 9220923 14343658 18441846 21515487 43030974 62497367 64546461 124994734 129092922 187492101 374984202 437481569 562476303 874963138 1124952606 1312444707 2624889414 3937334121 7874668242