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76535420 = 225131915493
BaseRepresentation
bin1001000111111…
…01011001111100
312100000101212012
410203331121330
5124043113140
611332230352
71616353223
oct443753174
9170011765
1076535420
113a225215
122176b3b8
1312b19440
14a243cba
156abc265
hex48fd67c

76535420 has 48 divisors (see below), whose sum is σ = 182209440. Its totient is φ = 26770176.

The previous prime is 76535387. The next prime is 76535429. The reversal of 76535420 is 2453567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76535429) 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, 2807 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (3796030).

Almost surely, 276535420 is an apocalyptic number.

It is an amenable number.

76535420 is an abundant number, since it is smaller than the sum of its proper divisors (105674020).

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

76535420 is a wasteful number, since it uses less digits than its factorization.

76535420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15534 (or 15532 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 76535420 is about 8748.4524345738. The cubic root of 76535420 is about 424.5747441803.

Adding to 76535420 its reverse (2453567), we get a palindrome (78988987).

The spelling of 76535420 in words is "seventy-six million, five hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 15493 30986 61972 77465 154930 201409 294367 309860 402818 588734 805636 1007045 1177468 1471835 2014090 2943670 3826771 4028180 5887340 7653542 15307084 19133855 38267710 76535420