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61356054 = 23192967277
BaseRepresentation
bin1110101000001…
…1100000010110
311021110012200110
43222003200112
5111201343204
610031023450
71343342424
oct352034026
9137405613
1061356054
11316a7791
121866ab86
13c933276
148212114
1555be889
hex3a83816

61356054 has 64 divisors (see below), whose sum is σ = 136108800. Its totient is φ = 18361728.

The previous prime is 61356041. The next prime is 61356079. The reversal of 61356054 is 45065316.

It is a super-3 number, since 3×613560543 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221364 + ... + 221640.

It is an arithmetic number, because the mean of its divisors is an integer number (2126700).

Almost surely, 261356054 is an apocalyptic number.

61356054 is an abundant number, since it is smaller than the sum of its proper divisors (74752746).

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

61356054 is a wasteful number, since it uses less digits than its factorization.

61356054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 61356054 is about 7833.0105323560. The cubic root of 61356054 is about 394.4141376231.

The spelling of 61356054 in words is "sixty-one million, three hundred fifty-six thousand, fifty-four".

Divisors: 1 2 3 6 19 29 38 57 58 67 87 114 134 174 201 277 402 551 554 831 1102 1273 1653 1662 1943 2546 3306 3819 3886 5263 5829 7638 8033 10526 11658 15789 16066 18559 24099 31578 36917 37118 48198 55677 73834 110751 111354 152627 221502 305254 352621 457881 538211 705242 915762 1057863 1076422 1614633 2115726 3229266 10226009 20452018 30678027 61356054