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797226320 = 245111947681
BaseRepresentation
bin101111100001001…
…011010101010000
32001120010021220202
4233201023111100
53113042220240
6211035154332
725520211662
oct5741132520
92046107822
10797226320
1137a016a30
121a2ba59a8
13c9221567
1477c46532
1549eca315
hex2f84b550

797226320 has 80 divisors (see below), whose sum is σ = 2128524480. Its totient is φ = 274636800.

The previous prime is 797226319. The next prime is 797226323. The reversal of 797226320 is 23622797.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797226323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7121 + ... + 40560.

It is an arithmetic number, because the mean of its divisors is an integer number (26606556).

Almost surely, 2797226320 is an apocalyptic number.

It is an amenable number.

797226320 is an abundant number, since it is smaller than the sum of its proper divisors (1331298160).

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

797226320 is a wasteful number, since it uses less digits than its factorization.

797226320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47724 (or 47718 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 797226320 is about 28235.1964753214. The cubic root of 797226320 is about 927.2436675851.

The spelling of 797226320 in words is "seven hundred ninety-seven million, two hundred twenty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 80 88 95 110 152 176 190 209 220 304 380 418 440 760 836 880 1045 1520 1672 2090 3344 4180 8360 16720 47681 95362 190724 238405 381448 476810 524491 762896 905939 953620 1048982 1811878 1907240 2097964 2622455 3623756 3814480 4195928 4529695 5244910 7247512 8391856 9059390 9965329 10489820 14495024 18118780 19930658 20979640 36237560 39861316 41959280 49826645 72475120 79722632 99653290 159445264 199306580 398613160 797226320