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61049436 = 2237726779
BaseRepresentation
bin1110100011100…
…0101001011100
311020212122002020
43220320221130
5111112040221
610020300140
71340624460
oct350705134
9136778066
1061049436
1131508388
1218541650
13c856836
1481724a0
15555dac6
hex3a38a5c

61049436 has 24 divisors (see below), whose sum is σ = 162798720. Its totient is φ = 17442672.

The previous prime is 61049423. The next prime is 61049441. The reversal of 61049436 is 63494016.

61049436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61049397 and 61049406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363306 + ... + 363473.

It is an arithmetic number, because the mean of its divisors is an integer number (6783280).

Almost surely, 261049436 is an apocalyptic number.

It is an amenable number.

61049436 is an abundant number, since it is smaller than the sum of its proper divisors (101749284).

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

61049436 is a wasteful number, since it uses less digits than its factorization.

61049436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726793 (or 726791 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61049436 is about 7813.4138505521. The cubic root of 61049436 is about 393.7560309482.

The spelling of 61049436 in words is "sixty-one million, forty-nine thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 726779 1453558 2180337 2907116 4360674 5087453 8721348 10174906 15262359 20349812 30524718 61049436