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151003240 = 2353775081
BaseRepresentation
bin10010000000000…
…10000001101000
3101112010202111121
421000002001220
5302124100430
622552305024
73512335453
oct1100020150
9345122447
10151003240
1178267a73
12426a2174
132539073b
14160aa49a
15d3cba7a
hex9002068

151003240 has 16 divisors (see below), whose sum is σ = 339757380. Its totient is φ = 60401280.

The previous prime is 151003219. The next prime is 151003249. The reversal of 151003240 is 42300151.

It can be written as a sum of positive squares in 2 ways, for example, as 150160516 + 842724 = 12254^2 + 918^2 .

It is not an unprimeable number, because it can be changed into a prime (151003249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887501 + ... + 1887580.

Almost surely, 2151003240 is an apocalyptic number.

151003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151003240 is an abundant number, since it is smaller than the sum of its proper divisors (188754140).

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

151003240 is a wasteful number, since it uses less digits than its factorization.

151003240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775092 (or 3775088 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 151003240 is about 12288.3375604676. The cubic root of 151003240 is about 532.5112107965.

Adding to 151003240 its reverse (42300151), we get a palindrome (193303391).

The spelling of 151003240 in words is "one hundred fifty-one million, three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3775081 7550162 15100324 18875405 30200648 37750810 75501620 151003240