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61828152 = 23343181331
BaseRepresentation
bin1110101111011…
…0110000111000
311022100012021120
43223312300320
5111312000102
610045105240
71350350001
oct353666070
9138305246
1061828152
113199a451
1218858220
13ca6a109
1482d61a8
1556646bc
hex3af6c38

61828152 has 64 divisors (see below), whose sum is σ = 159519360. Its totient is φ = 19958400.

The previous prime is 61828141. The next prime is 61828159. The reversal of 61828152 is 25182816.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61828159) 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, 186627 + ... + 186957.

It is an arithmetic number, because the mean of its divisors is an integer number (2492490).

Almost surely, 261828152 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 61828152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79759680).

61828152 is an abundant number, since it is smaller than the sum of its proper divisors (97691208).

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

61828152 is a wasteful number, since it uses less digits than its factorization.

61828152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 61828152 is about 7863.0879430412. The cubic root of 61828152 is about 395.4231474561.

The spelling of 61828152 in words is "sixty-one million, eight hundred twenty-eight thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 181 258 331 344 362 516 543 662 724 993 1032 1086 1324 1448 1986 2172 2648 3972 4344 7783 7944 14233 15566 23349 28466 31132 42699 46698 56932 59911 62264 85398 93396 113864 119822 170796 179733 186792 239644 341592 359466 479288 718932 1437864 2576173 5152346 7728519 10304692 15457038 20609384 30914076 61828152