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53876940 = 22351369073
BaseRepresentation
bin1100110110000…
…1100011001100
310202101020021020
43031201203030
5102243030230
65202434140
71222642425
oct315414314
9122336236
1053876940
11284595a7
1216062950
13b214c60
14722664c
154ae3810
hex33618cc

53876940 has 48 divisors (see below), whose sum is σ = 162462048. Its totient is φ = 13261824.

The previous prime is 53876917. The next prime is 53876941. The reversal of 53876940 is 4967835.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53876892 and 53876901.

It is not an unprimeable number, because it can be changed into a prime (53876941) 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, 33757 + ... + 35316.

It is an arithmetic number, because the mean of its divisors is an integer number (3384626).

Almost surely, 253876940 is an apocalyptic number.

It is an amenable number.

53876940 is an abundant number, since it is smaller than the sum of its proper divisors (108585108).

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

53876940 is a wasteful number, since it uses less digits than its factorization.

53876940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69098 (or 69096 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 53876940 is about 7340.0912800864. The cubic root of 53876940 is about 377.6889745774.

The spelling of 53876940 in words is "fifty-three million, eight hundred seventy-six thousand, nine 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 69073 138146 207219 276292 345365 414438 690730 828876 897949 1036095 1381460 1795898 2072190 2693847 3591796 4144380 4489745 5387694 8979490 10775388 13469235 17958980 26938470 53876940