Search a number
-
+
102976939 = 1321773491
BaseRepresentation
bin1100010001101…
…00110110101011
321011202202210201
412020310312223
5202330230224
614115053031
72360201212
oct610646653
9234682721
10102976939
115314510a
122a5a1177
1318446800
14d968079
159091a44
hex6234dab

102976939 has 24 divisors (see below), whose sum is σ = 119927952. Its totient is φ = 88058880.

The previous prime is 102976931. The next prime is 102976963. The reversal of 102976939 is 939679201.

It is not a de Polignac number, because 102976939 - 23 = 102976931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102976931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209484 + ... + 209974.

It is an arithmetic number, because the mean of its divisors is an integer number (4996998).

Almost surely, 2102976939 is an apocalyptic number.

102976939 is a deficient number, since it is larger than the sum of its proper divisors (16951013).

102976939 is a wasteful number, since it uses less digits than its factorization.

102976939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 102976939 is about 10147.7553675677. The cubic root of 102976939 is about 468.7198284817.

The spelling of 102976939 in words is "one hundred two million, nine hundred seventy-six thousand, nine hundred thirty-nine".

Divisors: 1 13 17 73 169 221 491 949 1241 2873 6383 8347 12337 16133 35843 82979 108511 209729 465959 609331 1410643 6057467 7921303 102976939