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102231022 = 251115511
BaseRepresentation
bin1100001011111…
…10101111101110
321010100212121011
412011332233232
5202132343042
614051055434
72350643425
oct605765756
9233325534
10102231022
1152785753
122a2a157a
131824513a
14d8122bc
158e95a17
hex617ebee

102231022 has 4 divisors (see below), whose sum is σ = 153346536. Its totient is φ = 51115510.

The previous prime is 102230981. The next prime is 102231049. The reversal of 102231022 is 220132201.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 102230993 and 102231011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25557754 + ... + 25557757.

It is an arithmetic number, because the mean of its divisors is an integer number (38336634).

Almost surely, 2102231022 is an apocalyptic number.

102231022 is a deficient number, since it is larger than the sum of its proper divisors (51115514).

102231022 is an equidigital number, since it uses as much as digits as its factorization.

102231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51115513.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102231022 is about 10110.9357628263. The cubic root of 102231022 is about 467.5853554579.

Adding to 102231022 its reverse (220132201), we get a palindrome (322363223).

The spelling of 102231022 in words is "one hundred two million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 51115511 102231022