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142540354 = 21137414271
BaseRepresentation
bin10000111111011…
…11111001000010
3100221012210121101
420133233321002
5242442242404
622051045014
73350400355
oct1037577102
9327183541
10142540354
1173507750
123b8a076a
13236b9708
1414d0629c
15c7a92a4
hex87efe42

142540354 has 32 divisors (see below), whose sum is σ = 245452032. Its totient is φ = 61488000.

The previous prime is 142540339. The next prime is 142540369. The reversal of 142540354 is 453045241.

It is an interprime number because it is at equal distance from previous prime (142540339) and next prime (142540369).

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, 31239 + ... + 35509.

It is an arithmetic number, because the mean of its divisors is an integer number (7670376).

Almost surely, 2142540354 is an apocalyptic number.

142540354 is a deficient number, since it is larger than the sum of its proper divisors (102911678).

142540354 is a wasteful number, since it uses less digits than its factorization.

142540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 142540354 is about 11939.0265097285. The cubic root of 142540354 is about 522.3712635075.

Adding to 142540354 its reverse (453045241), we get a palindrome (595585595).

The spelling of 142540354 in words is "one hundred forty-two million, five hundred forty thousand, three hundred fifty-four".

Divisors: 1 2 11 22 37 41 74 82 407 451 814 902 1517 3034 4271 8542 16687 33374 46981 93962 158027 175111 316054 350222 1738297 1926221 3476594 3852442 6479107 12958214 71270177 142540354