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61299097 = 96763391
BaseRepresentation
bin1110100111010…
…1100110011001
311021100022112221
43221311212121
5111143032342
610025504041
71343014366
oct351654631
9137308487
1061299097
1131668a12
1218642021
13c913372
1481d946d
1555aca67
hex3a75999

61299097 has 4 divisors (see below), whose sum is σ = 61363456. Its totient is φ = 61234740.

The previous prime is 61299079. The next prime is 61299103. The reversal of 61299097 is 79099216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61299097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61299197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30729 + ... + 32662.

It is an arithmetic number, because the mean of its divisors is an integer number (15340864).

Almost surely, 261299097 is an apocalyptic number.

It is an amenable number.

61299097 is a deficient number, since it is larger than the sum of its proper divisors (64359).

61299097 is an equidigital number, since it uses as much as digits as its factorization.

61299097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64358.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 61299097 is about 7829.3739851919. The cubic root of 61299097 is about 394.2920545822.

The spelling of 61299097 in words is "sixty-one million, two hundred ninety-nine thousand, ninety-seven".

Divisors: 1 967 63391 61299097