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147860020 = 22571196013
BaseRepresentation
bin10001101000000…
…10101000110100
3101022020001211001
420310002220310
5300323010040
622401053044
73443534530
oct1064025064
9338201731
10147860020
1176510470
1241627184
132482cb49
14158ccbc0
15ceaa59a
hex8d02a34

147860020 has 48 divisors (see below), whose sum is σ = 387128448. Its totient is φ = 46085760.

The previous prime is 147860003. The next prime is 147860021. The reversal of 147860020 is 20068741.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147860021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46467 + ... + 49546.

It is an arithmetic number, because the mean of its divisors is an integer number (8065176).

Almost surely, 2147860020 is an apocalyptic number.

147860020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147860020 is an abundant number, since it is smaller than the sum of its proper divisors (239268428).

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

147860020 is a wasteful number, since it uses less digits than its factorization.

147860020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96040 (or 96038 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 147860020 is about 12159.7705570459. The cubic root of 147860020 is about 528.7904301716.

The spelling of 147860020 in words is "one hundred forty-seven million, eight hundred sixty thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 96013 192026 384052 480065 672091 960130 1056143 1344182 1920260 2112286 2688364 3360455 4224572 5280715 6720910 7393001 10561430 13441820 14786002 21122860 29572004 36965005 73930010 147860020