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60978340 = 2253048917
BaseRepresentation
bin1110100010011…
…1010010100100
311020202000120001
43220213102210
5111102301330
610014551044
71340210263
oct350472244
9136660501
1060978340
1131469a25
1218508484
13c830377
1481545da
1555479ca
hex3a274a4

60978340 has 12 divisors (see below), whose sum is σ = 128054556. Its totient is φ = 24391328.

The previous prime is 60978263. The next prime is 60978341. The reversal of 60978340 is 4387906.

It can be written as a sum of positive squares in 2 ways, for example, as 8444836 + 52533504 = 2906^2 + 7248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 60978340.

It is not an unprimeable number, because it can be changed into a prime (60978341) 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, 1524439 + ... + 1524478.

It is an arithmetic number, because the mean of its divisors is an integer number (10671213).

Almost surely, 260978340 is an apocalyptic number.

It is an amenable number.

60978340 is an abundant number, since it is smaller than the sum of its proper divisors (67076216).

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

60978340 is a wasteful number, since it uses less digits than its factorization.

60978340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048926 (or 3048924 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 60978340 is about 7808.8629133825. The cubic root of 60978340 is about 393.6031201556.

The spelling of 60978340 in words is "sixty million, nine hundred seventy-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 3048917 6097834 12195668 15244585 30489170 60978340