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107220083 = 310934487
BaseRepresentation
bin1100110010000…
…00110001110011
321110202100022012
412121000301303
5204422020313
614350033135
72441232665
oct631006163
9243670265
10107220083
1155583043
122baa87ab
13192a0c49
1410350535
15962dda8
hex6640c73

107220083 has 4 divisors (see below), whose sum is σ = 107257680. Its totient is φ = 107182488.

The previous prime is 107220079. The next prime is 107220107. The reversal of 107220083 is 380022701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380022701 = 1013762601.

It is a cyclic number.

It is not a de Polignac number, because 107220083 - 22 = 107220079 is a prime.

It is a super-2 number, since 2×1072200832 = 22992292397053778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107220023) 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, 14135 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (26814420).

Almost surely, 2107220083 is an apocalyptic number.

107220083 is a deficient number, since it is larger than the sum of its proper divisors (37597).

107220083 is an equidigital number, since it uses as much as digits as its factorization.

107220083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37596.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 107220083 is about 10354.7130814910. The cubic root of 107220083 is about 475.0712107457.

Adding to 107220083 its reverse (380022701), we get a palindrome (487242784).

The spelling of 107220083 in words is "one hundred seven million, two hundred twenty thousand, eighty-three".

Divisors: 1 3109 34487 107220083