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146025550 = 25211733637
BaseRepresentation
bin10001011010000…
…10110001001110
3101011202212101201
420231002301032
5244340304200
622253500114
73422124316
oct1055026116
9334685351
10146025550
1175478180
1240aa163a
1324339b68
1415572446
15cc46c6a
hex8b42c4e

146025550 has 48 divisors (see below), whose sum is σ = 300440592. Its totient is φ = 52358400.

The previous prime is 146025511. The next prime is 146025553. The reversal of 146025550 is 55520641.

It is a super-2 number, since 2×1460255502 = 42646922505605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146025553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38332 + ... + 41968.

It is an arithmetic number, because the mean of its divisors is an integer number (6259179).

Almost surely, 2146025550 is an apocalyptic number.

146025550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146025550 is an abundant number, since it is smaller than the sum of its proper divisors (154415042).

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

146025550 is a wasteful number, since it uses less digits than its factorization.

146025550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 146025550 is about 12084.1031938659. The cubic root of 146025550 is about 526.5944572439.

The spelling of 146025550 in words is "one hundred forty-six million, twenty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 73 110 146 275 365 550 730 803 1606 1825 3637 3650 4015 7274 8030 18185 20075 36370 40007 40150 80014 90925 181850 200035 265501 400070 531002 1000175 1327505 2000350 2655010 2920511 5841022 6637525 13275050 14602555 29205110 73012775 146025550