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151226020 = 225113671873
BaseRepresentation
bin10010000001110…
…00011010100100
3101112120002002201
421000320122210
5302203213040
623001144244
73514254121
oct1100703244
9345502081
10151226020
11783aa390
124278b084
132543ac6a
1416127748
15d422a9a
hex90386a4

151226020 has 48 divisors (see below), whose sum is σ = 347574528. Its totient is φ = 54812160.

The previous prime is 151226017. The next prime is 151226063. The reversal of 151226020 is 20622151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79804 + ... + 81676.

It is an arithmetic number, because the mean of its divisors is an integer number (7241136).

Almost surely, 2151226020 is an apocalyptic number.

151226020 is a gapful number since it is divisible by the number (10) 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 151226020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173787264).

151226020 is an abundant number, since it is smaller than the sum of its proper divisors (196348508).

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

151226020 is a wasteful number, since it uses less digits than its factorization.

151226020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 151226020 is about 12297.3989119651. The cubic root of 151226020 is about 532.7729591632.

Adding to 151226020 its reverse (20622151), we get a palindrome (171848171).

The spelling of 151226020 in words is "one hundred fifty-one million, two hundred twenty-six thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 367 734 1468 1835 1873 3670 3746 4037 7340 7492 8074 9365 16148 18730 20185 20603 37460 40370 41206 80740 82412 103015 206030 412060 687391 1374782 2749564 3436955 6873910 7561301 13747820 15122602 30245204 37806505 75613010 151226020