Search a number
-
+
151490140 = 2257574507
BaseRepresentation
bin10010000011110…
…00111001011100
3101120001111101221
421001320321130
5302240141030
623010543124
73516434134
oct1101707134
9346044357
10151490140
117856a86a
1242897aa4
1325501249
1416195ac4
15d475e7a
hex9078e5c

151490140 has 12 divisors (see below), whose sum is σ = 318129336. Its totient is φ = 60596048.

The previous prime is 151490093. The next prime is 151490147. The reversal of 151490140 is 41094151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151490147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787234 + ... + 3787273.

It is an arithmetic number, because the mean of its divisors is an integer number (26510778).

Almost surely, 2151490140 is an apocalyptic number.

151490140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151490140 is an abundant number, since it is smaller than the sum of its proper divisors (166639196).

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

151490140 is a wasteful number, since it uses less digits than its factorization.

151490140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574516 (or 7574514 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 151490140 is about 12308.1330834534. The cubic root of 151490140 is about 533.0829458354.

The spelling of 151490140 in words is "one hundred fifty-one million, four hundred ninety thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7574507 15149014 30298028 37872535 75745070 151490140