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79952340 = 223513102503
BaseRepresentation
bin1001100001111…
…11100111010100
312120102222222210
410300333213110
5130431433330
611533353420
71660404126
oct460774724
9176388883
1079952340
1141149416
1222938870
13137447a0
14a893216
1570448b0
hex4c3f9d4

79952340 has 48 divisors (see below), whose sum is σ = 241089408. Its totient is φ = 19680384.

The previous prime is 79952329. The next prime is 79952363. The reversal of 79952340 is 4325997.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50472 + ... + 52031.

It is an arithmetic number, because the mean of its divisors is an integer number (5022696).

Almost surely, 279952340 is an apocalyptic number.

It is an amenable number.

79952340 is an abundant number, since it is smaller than the sum of its proper divisors (161137068).

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

79952340 is a wasteful number, since it uses less digits than its factorization.

79952340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102528 (or 102526 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 79952340 is about 8941.6072380753. The cubic root of 79952340 is about 430.8013540441.

The spelling of 79952340 in words is "seventy-nine million, nine hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 102503 205006 307509 410012 512515 615018 1025030 1230036 1332539 1537545 2050060 2665078 3075090 3997617 5330156 6150180 6662695 7995234 13325390 15990468 19988085 26650780 39976170 79952340