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355125020 = 225127139813
BaseRepresentation
bin10101001010101…
…100011100011100
3220202020012221112
4111022230130130
51211403000040
655123321152
711541340625
oct2512543434
9822205845
10355125020
11172505758
129ab201b8
135875bb63
1435242a4c
152129c365
hex152ac71c

355125020 has 24 divisors (see below), whose sum is σ = 751640064. Its totient is φ = 140930496.

The previous prime is 355124993. The next prime is 355125061. The reversal of 355125020 is 20521553.

It is a super-2 number, since 2×3551250202 = 252227559660000800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67367 + ... + 72446.

It is an arithmetic number, because the mean of its divisors is an integer number (31318336).

Almost surely, 2355125020 is an apocalyptic number.

It is an amenable number.

355125020 is an abundant number, since it is smaller than the sum of its proper divisors (396515044).

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

355125020 is a wasteful number, since it uses less digits than its factorization.

355125020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139949 (or 139947 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 355125020 is about 18844.7610756942. The cubic root of 355125020 is about 708.1529854429.

Adding to 355125020 its reverse (20521553), we get a palindrome (375646573).

The spelling of 355125020 in words is "three hundred fifty-five million, one hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 139813 279626 559252 699065 1398130 2796260 17756251 35512502 71025004 88781255 177562510 355125020