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202452030 = 2325111947229
BaseRepresentation
bin11000001000100…
…10110000111110
3112002221121222100
430010102300332
5403311431110
632031125530
75005546104
oct1404226076
9462847870
10202452030
11a4308230
12579738a6
1332c35401
141cc5dc74
1512b90bc0
hexc112c3e

202452030 has 192 divisors, whose sum is σ = 620006400. Its totient is φ = 45308160.

The previous prime is 202452017. The next prime is 202452037. The reversal of 202452030 is 30254202.

It is a super-2 number, since 2×2024520302 = 81973648902241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202451994 and 202452012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202452037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 883956 + ... + 884184.

It is an arithmetic number, because the mean of its divisors is an integer number (3229200).

Almost surely, 2202452030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202452030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310003200).

202452030 is an abundant number, since it is smaller than the sum of its proper divisors (417554370).

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

202452030 is a wasteful number, since it uses less digits than its factorization.

202452030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 202452030 is about 14228.5638769343. The cubic root of 202452030 is about 587.1837730811.

The spelling of 202452030 in words is "two hundred two million, four hundred fifty-two thousand, thirty".