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31004300 = 2252310043
BaseRepresentation
bin111011001000…
…1011010001100
32011100011220102
41312101122030
530414114200
63024310232
7524350355
oct166213214
964304812
1031004300
1116556a98
12a472378
136567152
144190d2c
152ac66d5
hex1d9168c

31004300 has 18 divisors (see below), whose sum is σ = 67279548. Its totient is φ = 12401680.

The previous prime is 31004279. The next prime is 31004321. The reversal of 31004300 is 340013.

It is an interprime number because it is at equal distance from previous prime (31004279) and next prime (31004321).

It is a super-2 number, since 2×310043002 = 1922533236980000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154922 + ... + 155121.

Almost surely, 231004300 is an apocalyptic number.

It is an amenable number.

31004300 is an abundant number, since it is smaller than the sum of its proper divisors (36275248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31004300 is a wasteful number, since it uses less digits than its factorization.

31004300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310057 (or 310050 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 31004300 is about 5568.1505008396. The cubic root of 31004300 is about 314.1525892309.

Adding to 31004300 its reverse (340013), we get a palindrome (31344313).

The spelling of 31004300 in words is "thirty-one million, four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 310043 620086 1240172 1550215 3100430 6200860 7751075 15502150 31004300