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152250140 = 22571278563
BaseRepresentation
bin10010001001100…
…10011100011100
3101121111002221002
421010302130130
5302434001030
623035125432
73526050650
oct1104623434
9347432832
10152250140
1178a39869
1242ba3878
1325709153
1416312a60
15d576245
hex913271c

152250140 has 48 divisors (see below), whose sum is σ = 368320512. Its totient is φ = 51782976.

The previous prime is 152250121. The next prime is 152250151. The reversal of 152250140 is 41052251.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 13499 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (7673344).

Almost surely, 2152250140 is an apocalyptic number.

152250140 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 152250140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184160256).

152250140 is an abundant number, since it is smaller than the sum of its proper divisors (216070372).

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

152250140 is a wasteful number, since it uses less digits than its factorization.

152250140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706 (or 8704 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 152250140 is about 12338.9683523381. The cubic root of 152250140 is about 533.9729210506.

The spelling of 152250140 in words is "one hundred fifty-two million, two hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 127 140 254 508 635 889 1270 1778 2540 3556 4445 8563 8890 17126 17780 34252 42815 59941 85630 119882 171260 239764 299705 599410 1087501 1198820 2175002 4350004 5437505 7612507 10875010 15225014 21750020 30450028 38062535 76125070 152250140