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61267052 = 227211157181
BaseRepresentation
bin1110100110110…
…1110001101100
311021021200121002
43221231301230
5111141021202
610025055432
71342522100
oct351556154
9137250532
1061267052
1131646930
1218627578
13c9018c2
1481cb900
1555a3302
hex3a6dc6c

61267052 has 72 divisors (see below), whose sum is σ = 137683728. Its totient is φ = 23587200.

The previous prime is 61267049. The next prime is 61267061. The reversal of 61267052 is 25076216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338402 + ... + 338582.

It is an arithmetic number, because the mean of its divisors is an integer number (1912274).

Almost surely, 261267052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61267052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68841864).

61267052 is an abundant number, since it is smaller than the sum of its proper divisors (76416676).

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

61267052 is a wasteful number, since it uses less digits than its factorization.

61267052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 61267052 is about 7827.3272577554. The cubic root of 61267052 is about 394.2233352923.

The spelling of 61267052 in words is "sixty-one million, two hundred sixty-seven thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 157 181 196 308 314 362 539 628 724 1078 1099 1267 1727 1991 2156 2198 2534 3454 3982 4396 5068 6908 7693 7964 8869 12089 13937 15386 17738 24178 27874 28417 30772 35476 48356 55748 56834 84623 97559 113668 169246 195118 198919 312587 338492 390236 397838 625174 795676 1250348 1392433 2188109 2784866 4376218 5569732 8752436 15316763 30633526 61267052