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3890402037 = 323711682889
BaseRepresentation
bin1110011111100010…
…1101001011110101
3101001010110220022100
43213320231023311
530431420331122
61442012452313
7165256604664
oct34770551365
911033426270
103890402037
1117170376a5
12906a7a099
1349ccca352
1428c984ddb
1517b826aac
hexe7e2d2f5

3890402037 has 12 divisors (see below), whose sum is σ = 5771347660. Its totient is φ = 2523503808.

The previous prime is 3890402023. The next prime is 3890402051. The reversal of 3890402037 is 7302040983.

It is an interprime number because it is at equal distance from previous prime (3890402023) and next prime (3890402051).

It can be written as a sum of positive squares in 2 ways, for example, as 3303260676 + 587141361 = 57474^2 + 24231^2 .

It is not a de Polignac number, because 3890402037 - 212 = 3890397941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3890401992 and 3890402010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890401037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5841112 + ... + 5841777.

Almost surely, 23890402037 is an apocalyptic number.

3890402037 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3890402037 is a deficient number, since it is larger than the sum of its proper divisors (1880945623).

3890402037 is a wasteful number, since it uses less digits than its factorization.

3890402037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682932 (or 11682929 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3890402037 is about 62373.0874416202. The cubic root of 3890402037 is about 1572.7685927933.

The spelling of 3890402037 in words is "three billion, eight hundred ninety million, four hundred two thousand, thirty-seven".

Divisors: 1 3 9 37 111 333 11682889 35048667 105146001 432266893 1296800679 3890402037