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61457376 = 25331107193
BaseRepresentation
bin1110101001110…
…0001111100000
311021122100200010
43222130033200
5111213114001
610033124520
71344244011
oct352341740
9137570603
1061457376
1131766922
12186b9740
13c96a416
14823b008
1555de8d6
hex3a9c3e0

61457376 has 96 divisors (see below), whose sum is σ = 168956928. Its totient is φ = 19537920.

The previous prime is 61457359. The next prime is 61457377. The reversal of 61457376 is 67375416.

61457376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (105840) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61457377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 318336 + ... + 318528.

It is an arithmetic number, because the mean of its divisors is an integer number (1759968).

Almost surely, 261457376 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 61457376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84478464).

61457376 is an abundant number, since it is smaller than the sum of its proper divisors (107499552).

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

61457376 is a wasteful number, since it uses less digits than its factorization.

61457376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 336 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 61457376 is about 7839.4754926589. The cubic root of 61457376 is about 394.6311270855.

The spelling of 61457376 in words is "sixty-one million, four hundred fifty-seven thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 107 124 186 193 214 248 321 372 386 428 496 579 642 744 772 856 992 1158 1284 1488 1544 1712 2316 2568 2976 3088 3317 3424 4632 5136 5983 6176 6634 9264 9951 10272 11966 13268 17949 18528 19902 20651 23932 26536 35898 39804 41302 47864 53072 61953 71796 79608 82604 95728 106144 123906 143592 159216 165208 191456 247812 287184 318432 330416 495624 574368 640181 660832 991248 1280362 1920543 1982496 2560724 3841086 5121448 7682172 10242896 15364344 20485792 30728688 61457376