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3902904130 = 253121125053
BaseRepresentation
bin1110100010100001…
…1001011101000010
3101002000000001221211
43220220121131002
530443120413010
61443140440334
7165501065146
oct35050313502
911060001854
103902904130
1117230a6704
1290b0a90aa
134a2786a38
142904bb226
1517c99608a
hexe8a19742

3902904130 has 16 divisors (see below), whose sum is σ = 7027534584. Its totient is φ = 1560648960.

The previous prime is 3902904121. The next prime is 3902904139. The reversal of 3902904130 is 314092093.

It is an interprime number because it is at equal distance from previous prime (3902904121) and next prime (3902904139).

It can be written as a sum of positive squares in 4 ways, for example, as 982258281 + 2920645849 = 31341^2 + 54043^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3902904092 and 3902904101.

It is not an unprimeable number, because it can be changed into a prime (3902904139) 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, 31317 + ... + 93736.

Almost surely, 23902904130 is an apocalyptic number.

3902904130 is a deficient number, since it is larger than the sum of its proper divisors (3124630454).

3902904130 is a wasteful number, since it uses less digits than its factorization.

3902904130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128181.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3902904130 is about 62473.2273057828. The cubic root of 3902904130 is about 1574.4515271728.

The spelling of 3902904130 in words is "three billion, nine hundred two million, nine hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 3121 6242 15605 31210 125053 250106 625265 1250530 390290413 780580826 1951452065 3902904130