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1939377908 = 2213535911927
BaseRepresentation
bin111001110011000…
…1000111011110100
312000011021121100102
41303212020323310
512432440043113
6520235333232
766026303666
oct16346107364
95004247312
101939377908
11905801366
124615b1218
1324ba401c0
141457d8536
15b53da758
hex73988ef4

1939377908 has 48 divisors (see below), whose sum is σ = 3787378560. Its totient is φ = 863251584.

The previous prime is 1939377883. The next prime is 1939377931. The reversal of 1939377908 is 8097739391.

It is a super-2 number, since 2×19393779082 = 7522373340076912928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156641 + ... + 168567.

It is an arithmetic number, because the mean of its divisors is an integer number (78903720).

Almost surely, 21939377908 is an apocalyptic number.

It is an amenable number.

1939377908 is a deficient number, since it is larger than the sum of its proper divisors (1848000652).

1939377908 is a wasteful number, since it uses less digits than its factorization.

1939377908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12056 (or 12054 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 56.

The square root of 1939377908 is about 44038.3685892200. The cubic root of 1939377908 is about 1247.0603793636.

The spelling of 1939377908 in words is "one billion, nine hundred thirty-nine million, three hundred seventy-seven thousand, nine hundred eight".

Divisors: 1 2 4 13 26 52 53 59 106 118 212 236 689 767 1378 1534 2756 3068 3127 6254 11927 12508 23854 40651 47708 81302 155051 162604 310102 620204 632131 703693 1264262 1407386 2528524 2814772 8217703 9148009 16435406 18296018 32870812 36592036 37295729 74591458 149182916 484844477 969688954 1939377908