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61300869 = 373318819
BaseRepresentation
bin1110100111011…
…0000010000101
311021100101222120
43221312002011
5111143111434
610025520153
71343022510
oct351660205
9137311876
1061300869
113166a283
1218643059
13c914106
1481d9d77
1555ad349
hex3a76085

61300869 has 16 divisors (see below), whose sum is σ = 93703680. Its totient is φ = 34919280.

The previous prime is 61300777. The next prime is 61300873. The reversal of 61300869 is 96800316.

It is not a de Polignac number, because 61300869 - 212 = 61296773 is a prime.

It is a super-2 number, since 2×613008692 = 7515593080310322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61300879) 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, 2542 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (5856480).

Almost surely, 261300869 is an apocalyptic number.

It is an amenable number.

61300869 is a deficient number, since it is larger than the sum of its proper divisors (32402811).

61300869 is a wasteful number, since it uses less digits than its factorization.

61300869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 61300869 is about 7829.4871479555. The cubic root of 61300869 is about 394.2958538703.

The spelling of 61300869 in words is "sixty-one million, three hundred thousand, eight hundred sixty-nine".

Divisors: 1 3 7 21 331 993 2317 6951 8819 26457 61733 185199 2919089 8757267 20433623 61300869