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797401902 = 2311311133449
BaseRepresentation
bin101111100001110…
…110001100101110
32001120110012202210
4233201312030232
53113113330102
6211043031250
725521542613
oct5741661456
92046405683
10797401902
1137a126940
121a306b526
13c928345b
1477c9050a
154a01236c
hex2f87632e

797401902 has 64 divisors (see below), whose sum is σ = 1812326400. Its totient is φ = 231705600.

The previous prime is 797401879. The next prime is 797401909. The reversal of 797401902 is 209104797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797401909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229474 + ... + 232922.

It is an arithmetic number, because the mean of its divisors is an integer number (28317600).

Almost surely, 2797401902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797401902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906163200).

797401902 is an abundant number, since it is smaller than the sum of its proper divisors (1014924498).

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

797401902 is a wasteful number, since it uses less digits than its factorization.

797401902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 797401902 is about 28238.3055794784. The cubic root of 797401902 is about 927.3117349761.

The spelling of 797401902 in words is "seven hundred ninety-seven million, four hundred one thousand, nine hundred two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 113 186 226 339 341 678 682 1023 1243 2046 2486 3449 3503 3729 6898 7006 7458 10347 10509 20694 21018 37939 38533 75878 77066 106919 113817 115599 213838 227634 231198 320757 389737 641514 779474 1169211 1176109 2338422 2352218 3528327 4287107 7056654 8574214 12081847 12861321 24163694 25722642 36245541 72491082 132900317 265800634 398700951 797401902