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479490255342 = 23472391769167
BaseRepresentation
bin1101111101000111101…
…10001010100111101110
31200211122111111201210000
412332203312022213232
530323444001132332
61004135204125130
746433133631410
oct6764366124756
91624574451700
10479490255342
111753948267aa
1278b183967a6
13362a5c887a7
14192c936a9b0
15c715276b7c
hex6fa3d8a9ee

479490255342 has 80 divisors (see below), whose sum is σ = 1233039329280. Its totient is φ = 136423928592.

The previous prime is 479490255341. The next prime is 479490255347. The reversal of 479490255342 is 243552094974.

It is a happy number.

479490255342 is a `hidden beast` number, since 4 + 7 + 9 + 49 + 0 + 2 + 553 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479490255341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 613558 + ... + 1155609.

It is an arithmetic number, because the mean of its divisors is an integer number (15412991616).

Almost surely, 2479490255342 is an apocalyptic number.

479490255342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

479490255342 is an abundant number, since it is smaller than the sum of its proper divisors (753549073938).

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

479490255342 is a wasteful number, since it uses less digits than its factorization.

479490255342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769427 (or 1769418 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 479490255342 in words is "four hundred seventy-nine billion, four hundred ninety million, two hundred fifty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 239 378 478 567 717 1134 1434 1673 2151 3346 4302 5019 6453 10038 12906 15057 19359 30114 38718 45171 90342 135513 271026 1769167 3538334 5307501 10615002 12384169 15922503 24768338 31845006 37152507 47767509 74305014 95535018 111457521 143302527 222915042 286605054 334372563 422830913 668745126 845661826 1003117689 1268492739 2006235378 2536985478 2959816391 3805478217 5919632782 7610956434 8879449173 11416434651 17758898346 22832869302 26638347519 34249303953 53276695038 68498607906 79915042557 159830085114 239745127671 479490255342