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102242433 = 3313743691
BaseRepresentation
bin1100001100000…
…01100010000001
321010101110020210
412012001202001
5202133224213
614051224333
72351021616
oct606014201
9233343223
10102242433
1152793287
122a2a80a9
131824a3a7
14d81650d
158e990c3
hex6181881

102242433 has 32 divisors (see below), whose sum is σ = 148099072. Its totient is φ = 62596800.

The previous prime is 102242431. The next prime is 102242443. The reversal of 102242433 is 334242201.

It is not a de Polignac number, because 102242433 - 21 = 102242431 is a prime.

It is the 10112-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102242431) by changing a digit.

It is a nontrivial repunit in base 10111.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147618 + ... + 148308.

It is an arithmetic number, because the mean of its divisors is an integer number (4628096).

Almost surely, 2102242433 is an apocalyptic number.

It is an amenable number.

102242433 is a deficient number, since it is larger than the sum of its proper divisors (45856639).

102242433 is a wasteful number, since it uses less digits than its factorization.

102242433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 102242433 is about 10111.5000370865. The cubic root of 102242433 is about 467.6027520624.

Adding to 102242433 its reverse (334242201), we get a palindrome (436484634).

The spelling of 102242433 in words is "one hundred two million, two hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 3 31 37 43 93 111 129 691 1147 1333 1591 2073 3441 3999 4773 21421 25567 29713 49321 64263 76701 89139 147963 792577 921103 1099381 2377731 2763309 3298143 34080811 102242433