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30702000 = 2435371743
BaseRepresentation
bin111010100011…
…1100110110000
32010202211020010
41311013212300
530324431000
63014014520
7521651130
oct165074660
963684203
1030702000
111636a95a
12a347440
13648c684
144112ac0
152a66d50
hex1d479b0

30702000 has 320 divisors, whose sum is σ = 122563584. Its totient is φ = 6451200.

The previous prime is 30701959. The next prime is 30702041. The reversal of 30702000 is 20703.

It is an interprime number because it is at equal distance from previous prime (30701959) and next prime (30702041).

It is a super-2 number, since 2×307020002 = 1885225608000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 713979 + ... + 714021.

Almost surely, 230702000 is an apocalyptic number.

30702000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30702000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61281792).

30702000 is an abundant number, since it is smaller than the sum of its proper divisors (91861584).

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

30702000 is a wasteful number, since it uses less digits than its factorization.

30702000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 30702000 is about 5540.9385486576. The cubic root of 30702000 is about 313.1282295355.

Adding to 30702000 its reverse (20703), we get a palindrome (30722703).

The spelling of 30702000 in words is "thirty million, seven hundred two thousand".