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102977443 = 3110332251
BaseRepresentation
bin1100010001101…
…00111110100011
321011202210111101
412020310332203
5202330234233
614115055231
72360202532
oct610647643
9234683441
10102977443
1153145528
122a5a1517
1318446aca
14d968319
159091c7d
hex6234fa3

102977443 has 8 divisors (see below), whose sum is σ = 107334656. Its totient is φ = 98685000.

The previous prime is 102977437. The next prime is 102977461. The reversal of 102977443 is 344779201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102977443 - 25 = 102977411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102977543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12933 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (13416832).

Almost surely, 2102977443 is an apocalyptic number.

102977443 is a deficient number, since it is larger than the sum of its proper divisors (4357213).

102977443 is a wasteful number, since it uses less digits than its factorization.

102977443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 102977443 is about 10147.7802006153. The cubic root of 102977443 is about 468.7205931656.

The spelling of 102977443 in words is "one hundred two million, nine hundred seventy-seven thousand, four hundred forty-three".

Divisors: 1 31 103 3193 32251 999781 3321853 102977443