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207020352 = 26371121967
BaseRepresentation
bin11000101011011…
…10000101000000
3112102112201112110
430111232011000
5410444122402
632313055320
75062433610
oct1425560500
9472481473
10207020352
11a6948500
12593b7540
1333b74866
141d6cca40
151329456c
hexc56e140

207020352 has 336 divisors, whose sum is σ = 735096320. Its totient is φ = 50181120.

The previous prime is 207020347. The next prime is 207020377. The reversal of 207020352 is 253020702.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×2070203522 = 85714852284407808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3089823 + ... + 3089889.

Almost surely, 2207020352 is an apocalyptic number.

207020352 is a gapful number since it is divisible by the number (22) 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 207020352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367548160).

207020352 is an abundant number, since it is smaller than the sum of its proper divisors (528075968).

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

207020352 is a wasteful number, since it uses less digits than its factorization.

207020352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 207020352 is about 14388.2018334467. The cubic root of 207020352 is about 591.5675561115.

It can be divided in two parts, 2070 and 20352, that added together give a palindrome (22422).

The spelling of 207020352 in words is "two hundred seven million, twenty thousand, three hundred fifty-two".